Treasury explains why we shouldn't worry about the economy

There’s a lesson for Scott Morrison in new Treasury secretary Dr Steven Kennedy’s first public speech this week: put the right person at the top of Treasury and they’ll defend the government’s position far more eloquently and persuasively than any politician could. The econocrat’s greater credibility demands they be taken seriously.

I fear that time will show it's been a costly mistake by the government not to respond to Reserve Bank governor Dr Philip Lowe’s unceasing requests for budgetary stimulus to supplement the diminishing effectiveness of interest rate cuts. Costly in terms of lost jobs – perhaps even including the Prime Minister’s.

But that Kennedy’s opening statement at Treasury’s appearance before Senate Estimates is a robust defence of official policy should surprise no one (except politicians, who are prone to paranoia). In my experience, senior Treasury officers never gainsay the government of the day, in public or private. If it’s an independent view you’re after, try the Reserve.

However, since this is the most ably argued exposition of the government’s case for sitting tight, it deserves to be reported in detail.

Kennedy is clearly worried about the threat to us from events in the rest of the world, but is
"cautiously optimistic" that the domestic economy will pick up. According to the government’s long-established "frameworks" for the respective roles of the two policy arms used to manage the macro economy – monetary policy (interest rates) and fiscal policy (the budget) – the heavy lifting is done by monetary policy, with fiscal policy being used only during a crisis. As yet, there’s no crisis.

Over the past year, Kennedy says, global growth has slowed. As a result, the International Monetary Fund and the Organisation for Economic Co-operation and Development now expect world growth this calendar year to be the slowest since the global financial crisis in 2008. Even so, they expect growth next year to improve to about 3 to 3.4 per cent – "which is still reasonable".

Chief among the factors involved are the ongoing and still evolving "trade tensions" between the United States and China. "There is no doubt that trade tensions are having real effects on the global economy, which you see in trade data from the US and China," he says.

Combined with other problems – Brexit, Hong Kong, and concerns about the financial stability of some countries – trade tensions are leading to an increased level of uncertainty around the outlook for the world economy.

Many central banks have responded to slowing global growth by supporting their economies. And South Korea and Thailand have also provided more supportive fiscal policy.

Turning to the domestic economy, it slowed in the second half of last year, then grew more strongly in the first half of this year. This amounted to growth of just 1.4 per cent over the year to June.

Household consumption, the largest part of the economy, grew by 1.4 per cent, held down mainly by weak growth in wages. Linked to this is a fall in home building over the past three quarters, which is likely to continue in the present financial year.

Moving to business investment spending, mining investment fell by almost 12 per cent over the year to June, and non-mining investment was weaker than expected.

But, Kennedy argues, these problems are temporary and "there are reasons to be optimistic about the outlook". Recent figures have shown early signs of recovery in the market for established housing. Overall, capital city house prices have risen for the past three months. Auction clearance rates have picked up and more homes are changing hands.

Consumer spending will be supported by the government’s tax cuts and the Reserve’s three cuts in interest rates.

The substantial investment in mining capacity of past years is boosting exports, and mining investment spending is expected to grow this year rather than contract, as it had been since 2012.

Despite modest growth in the economy, employment has continued to be strong, increasing by more than 300,000 over the past year. The rate of unemployment has been "broadly flat" rather than falling because near-record rates of new people are joining the labour force and getting jobs.

The rate of improvement in the productivity of labour – output per hour worked – has averaged 1.5 per cent a year over the past 30 years, but slowed to just 0.7 per cent a year over the past five. This isn’t as bad as it looks because it’s exactly what arithmetic would lead you to expect when employment is growing faster than output. And even 0.7 per cent is higher than the G7 economies can manage.

Now to the question of whether the government should be applying fiscal stimulus to guard against a recession.

Kennedy says that, in an open economy such as ours, having a medium-term "framework" (set of rules) for the way fiscal policy should be conducted, in concert with a medium-term framework for the way monetary policy should be conducted, "has long been held to be the most effective way to manage the economy through cycles".

Under this view, fiscal policy’s medium-term objective is to deliver sustainable patterns of taxation and government spending [and thus a sustainable level of public debt].  A further objective is usually to minimise the need for taxation, as is the case in Australia.

This approach reflects an assessment that apparent short-term economic weakness or, alternatively, unsustainably strong growth, is best responded to by monetary policy, not fiscal policy.

Within this framework, however, the budget’s in-built "automatic stabilisers" will assist monetary policy in stabilising the economy. For instance, revenue will weaken, and payments will strengthen, when an economy experiences weakness.

The other exception to the rule that fiscal policy should be focused exclusively on achieving sustainable public debt is that there’s a case for "temporary [note that word] fiscal actions" in periods of crisis.

But "the circumstances or crisis that would warrant temporary fiscal responses are uncommon".

So, sorry, Phil. Application denied.

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Morrison’s hang-ups make him a bad economic manager

Scott Morrison’s problem is that he gets politics – and is good at it – but doesn’t get economics.

The Prime Minister doesn’t get that if he keeps playing politics while doing nothing to stop the economy sliding into recession, nothing will save him from the voters’ wrath.

Neither he nor Josh Frydenberg seem to get that if we endure another year of very weak growth before they pop up next September boasting about their fabulous budget surplus, no one will be cheering.

How could a second financial year of weak growth possibly leave the budget with a big surplus? Because of the miracle of continuing bracket creep and iron ore prices kept high by BHP’s dam disaster in Brazil.

If there was any doubt about the likelihood of continuing weakness in our economy – independent of any adverse shock from abroad – it was swept away last week. The International Monetary Fund forecast real growth in Australia's gross domestic product of just 1.7 per cent this calendar year, improving only to 2.3 per cent next year.

So the IMF isn’t buying even Reserve Bank governor Philip Lowe’s “gentle turning point”, much less the efforts of Treasury’s seemingly unsackable Italian forecaster, Dr Rosie Scenario.

Frydenberg’s response has been that giving top priority to achieving a budget surplus isn’t just “a vanity exercise” because “a strong budget position helps build the resilience of the economy for external shocks, whenever that may occur, and your ability to respond to those stocks with a fiscal response”.

Translation: we can’t afford to spend money staving off recession because we’ll need to spend that money once we are in recession. The absurdity of this argument that a stitch in time doesn’t save nine has been hidden by his unstated assumption that, since the domestic economy's going fine, it’s only some shock from abroad that could lay us low.

Remember all the hand-wringing about quarter after quarter of weak growth in real wages, made even weaker – as Lowe has reminded us – by exceptionally strong growth in income tax collections? It’s imaginary, apparently.

Weak consumer spending, weak growth in business investment spending, contracting home-building? More imagining.

Oh yes, employment’s still growing surprisingly strongly. “See, I told you everything’s fine.” These guys are in denial.

Frydenberg’s argument about the need to “reload the fiscal canon” ready for the next downturn makes perfect sense - provided you’re paying back public debt at a time when the economy’s growing strongly and, if anything, could use a bit of slowing to ensure inflation doesn’t get away.

That's not us, unfortunately.

The IMF says “monetary policy [changing interest rates] cannot be the only game in town. It should be coupled with fiscal [budgetary] support where fiscal space is available, and policy is not already too expansionary”.

Far from being too expansionary, our fiscal policy is contractionary (which is why the budget balance is improving even as the economy slows).

And throughout the time that both sides of politics have been so worried about “debt and deficit”, the IMF has kept telling us not to worry because we have loads of “fiscal space” – that is, our level of public debt is way below the point where we should become concerned.

My bet is Morrison and Frydenberg will eventually panic and take stimulatory measures (probably a lot of them), but they’ll come too late in the piece to stop confidence unravelling, with punters tightening their belts as businesses lay off staff.

But not yet. Frydenberg has let it be known the government will try to boost business investment by introducing a special investment allowance – but not until the budget next May.

Even so, Finance Minister Mathias Cormann has let it be known that they’re thinking about turning the December midyear budget update into a mini budget if it soon becomes apparent the present tax and interest-rate cuts haven’t made much difference.

But even when that bullet is bitten, Morrison’s effectiveness as an economic manager will still be inhibited by his various political hang-ups. For instance, neither he nor his Treasurer can bring themselves even to utter the offensive S-word – stimulus.

And his determination never to be seen helping the poor (whom those in the party’s base know to be utterly undeserving) stops him taking two stimulatory measures that are simple, quick-acting and highly effective, while yielding lasting benefits.

The first is simply increasing the Newstart allowance.

The other is a proposal worked up by Dr Peter Davidson for the Australian Council of Social Service for the feds to invest $7 billion over three years building 20,000 social housing dwellings. This would not only boost growth and jobs in the becalmed housing industry, but also reduce homelessness.

Sorry, makes too much sense.

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Why are the Viking economies so successful? They pull together

I’d like to tell you I’ve been away working hard on a study tour of the Nordic economies – or perhaps tracing the remnant economic impact of the Hanseatic League (look it up) – but the truth is we were too busy enjoying the sights around Scandinavia and the Baltic for me to spend much time reading the books and papers I’d taken along.

But since I always like telling people what I did on my holidays (oh, those fjords and waterfalls we saw while sailing up the coast of Norway to the Arctic Circle!), I’ve been looking up facts and figures in a forthcoming book comparing the main developed countries on many criteria, by my mate Professor Rod Tiffen and others at Sydney University (and me).

But first, the travelogue. Prosperous countries have a lot in common but Scandinavia is different. I have seen the future and, while some might regard it as political correctness gone mad, it looked pretty good to me.

One aspect in which the Nordics (strictly speaking, Finland isn’t Scandinavian because it’s a republic rather than a monarchy and because the Finnish language bears no relation to Danish, Swedish or Norwegian) are way more advanced is the role of women.

All of them have had female prime ministers or presidents, they have loads of female politicians and we were always seeing women out at business functions with their male colleagues.

Governments spend much more on childcare and they’re big on men actually taking paid paternity leave. They have “family zones” in trains and we were struck by how many men we saw by themselves pushing prams.

They’re much more relaxed on sexual matters. These days, any new building in Sweden will have unisex toilets, with rows of cubicles and not a urinal to be seen. Neat way of sidestepping debates about which toilet transgender people should use.

The Nordics are well ahead of us on environmental matters. They’re bicycle crazy (a big health hazard for tourists who don’t know they’re standing in a bike lane) and drive small cars.

They’re obsessed with organic food and even hotel guests are expected to recycle their paper and plastic. One hotel we stayed at in Copenhagen was so concerned to save the planet its policy was to make up the rooms only every fourth day.

The Norwegians have made and, unlike the rest of us, saved their pile by selling oil to the world but you get the feeling it troubles their conscience. So, like the other Nordics, they have ambitious targets to move to renewables and, to that end, are making more use of carbon pricing than most other countries.

The truth is, I’ve long wanted to see Scandinavia for myself. It’s a part of the world that most politicians and economists prefer not to think about. Why not? Because its performance laughs at all they believe about how to run a successful economy.

Everyone in the English-speaking economies knows big government is the enemy of efficiency. The less governments do, the better things go. The lower we can get our taxes, the more we’ll grow.

Just ask Scott Morrison. As he loves to say, no one ever taxed their way to prosperity. What’s he doing to encourage jobs and growth? Cutting taxes, of course. That’s Economics 101 – so obvious it doesn’t need explaining.

Trouble is, the Nordics have some of the highest rates of government spending in the world and pay among the highest levels of taxation, but have hugely successful economies.

The Danes pay 46 per cent of gross domestic product in total taxes, the Finns pay 44 per cent, the Swedes 43 per cent and the Norwegians 38 per cent (compared with our 28 per cent).

Measured by GDP per person, Norway's standard of living is well ahead of America's. Then come the Danes and the Swedes – at around the average for 18 developed democracies (as are we) – with the Finns just beating out the Brits and the French further down the list.

The Nordics are also good at managing their government budgets.

We all know unions are bad for jobs and growth and we’ve succeeded in getting our rate of union membership down to 17 per cent. Funny that, the Nordics still have the highest rates (up around two-thirds). So, do they have lots of strikes? No.

The four Nordics are right at the top when it comes to the smallest gap between rich and poor, with Canada, Australia, Britain and the United States right at the bottom.

Other indicators show that (provided you ignore the long snowy winters) the Nordics enjoy a high quality of life and not just a high material standard of living.

Note this: I’m not claiming that the Scandinavians are more economically successful because of their big government and high taxes. No, I’m saying that, contrary to the unshakable beliefs of many economists and all conservative politicians, there’s little connection between economic success and the size of government.

So how do the Scandis do it? I read this on the wall of an art museum in Aarhus, Denmark: “In a society we are mutually interdependent. Strengthening the spirit of community, we improve society for all of us as a group but we also provide each individual with better opportunities for realising his or her own potential.”

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Our leaders slowly come to grips with a different economy

The beginning of economic wisdom is to understand that the advanced economies – including ours – have stopped working the way they used to and won’t be returning to the old normal.

Second in the getting of wisdom is to understand that economists are still debating why the economy is behaving so differently – so poorly - and what we can do about it.

Last week Reserve Bank governor Dr Philip Lowe gave a speech to a conference of central bankers in Wyoming revealing his acceptance that, as he put it, the economic managers are having to “navigate when the stars are shifting”.

And Treasurer Josh Frydenberg gave a speech on Australia’s productivity challenge, which offered the Morrison government’s first acknowledgement that maybe not everything in Australia’s economic garden is rosy.

The shifting “stars” to which Lowe alluded were economists' estimates of the rate of full employment and the equilibrium real interest rate – both of which have moved downwards. He said that economists have become very good at developing explanations for why this has happened.

“Even so, the reality is that our understanding is still far from complete about what constitutes full employment in our economies and how the equilibrium interest rate is going to move in the future,” he said.

He offered two likely explanations for why the stars had moved. First, major changes around the world in the appetite to save and to invest. People were saving more despite low interest rates, and were borrowing less to fund physical investment despite low interest rates.

On the saving side, these changes were linked to demographics (the ageing population), the rise of Asia (which saves a lot) and the legacy of too much borrowing in the past.

On the investment side, the links were to slower productivity improvement and “importantly, increased uncertainty and a lack of confidence about the future”.

The second major change was an increased perception of competition as a result of globalisation and advances in technology. “More competition means less pricing power, for both firms and workers,” he said.

In all this he gave the lie to the latest line that our economy is going fine, it’s just the threat from abroad that’s the problem. Nonsense. Our economy is slowing to a crawl because of weak real wage growth. The external threat just makes it worse.

After giving a learned account of our slower rate of productivity improvement (and acknowledging that it’s happening throughout the developed world), Frydenberg admitted that business investment spending was not as strong as it ought to be.

But then he stepped into the lions’ den. Rather than returning capital to shareholders, business needed to back itself – make its own luck – by using its strong balance sheet (and exceptionally low interest rates) to “invest and grow”.

The fury of the righteous descended upon him, with the business media in full cry. It really is amazing the way business people boast about the centrality of the private sector to the economy and its success, but refuse to accept any responsibility for its outcomes.

Any weaknesses in the economy are solely the government’s fault, and feel free to criticise it uphill and down dale – not to mention using problems in the economy as a pretext for rent-seeking. Don’t even think that the performance of business could be less than blameless. Who do you think invented the term “all care but not responsibility”?

Even so, I fear business is right in protesting that the reason it’s not investing is that, with demand so weak, it can’t see how expanding its production capacity could be profitable.

This problem began long before Trump started playing his crazy trade-war games, but there’s little doubt that the uncertainty he has created is adding to firms’ reluctance to commit to major investment projects. And the more people delay their investment plans until the future is clearer, the greater the risk that conditions deteriorate and the investment never gets done.

Dr Mike Keating, a former top econocrat, argues that productivity improvement is weak because business investment spending is weak. It’s when businesses install the latest and best machines and systems that new technology is diffused through the economy, lifting productivity.

So when weak wage growth leads to weak growth in consumption, you don’t get enough business investment and, hence, slower productivity improvement.

Government intervention to improve workers’ bargaining power may help speed up the flow of income through the system, but Keating believes a lasting improvement will come mainly by making education and training more effective in helping workers adapt to and adopt new technologies.

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Greater social inclusion makes us wealthier, not just happier

If you like made-up, clunky words you could call it the humanisation of economics. And it’s one of the most exciting developments in a field most people don’t consider very exciting. It’s the product of economists’ search for reasons why the economies of the developed world have stopped working as well as they used to.

This week our Reserve Bank governor, Philip Lowe, gave a short but sobering speech at a conference of central bankers in Wyoming exploring the deeper, structural reasons why economies – including ours - aren’t growing as fast as they did, and admitting this wasn’t likely to change any time soon.

A big part of the reason for weaker growth is a slower rate of improvement in the productivity of labour – the use of improved technology to increase the output of goods and services per worker.

Also this week, Treasurer Josh Frydenberg gave a long, carefully researched and highly informative speech about the deterioration in our productivity performance. His one controversial proposition has been monstered by the business media, but the speech was an encouraging sign that the Morrison government may be moving from happy slogans to careful consideration of the problems besetting our economy.

Now to my new word, humanisation. Until the past couple of decades, it was relatively easy to achieve high annual rates of productivity improvement by using bigger and better machines to increase the efficiency of our farms, mines and factories in their production of goods.

These days, goods are produced by machines, helped by humans. Services, on the other hand, are delivered by humans helped by machines. Goods have come to account for an ever-smaller share of the value of economic activity, with services contributing an ever-bigger share.

But installing more productive goods-producing machines is a lot easier than making the human providers of services (ranging from prime ministers to scientists, doctors and teachers on to waiters and cleaners) better at their jobs. This does a lot to explain the slowdown in productivity improvement.

So economists have had to turn their minds to humans, and how you make them more productive. An obvious response is to ensure they’re well educated and trained, equipped with the right skills to take them onwards in an ever-changing economy.

Equally obvious is making sure our workers are in good health – mental as well as physical. These are things we could be doing better than we are.

Less obvious is economists’ relatively recent discovery of the economic importance of “place” – where people live and work. Particularly at a time when knowledge has become a more critical ingredient, big cities have become incubators, bringing together talented workers to promote experimentation and learning, as well as enabling the transfer of knowledge. (Bit surprising in an age where digital connections are ubiquitous.)

Another less-obvious realisation is that, in the services sector, productivity depends on creativity and imagination, which drive innovation. Increasingly the services sector is the home of start-ups aimed at finding innovative ways to deliver new and existing services to larger numbers of customers.

This is very touchy-feely stuff for hard-nosed economists. One of our leading economists, Professor Ian Harper, dean of Melbourne Business School, says creativity and imagination “are generally stimulated by human interaction, social creatures that we are".

“And the more diverse we are when we gather, the more we stimulate, challenge and goad one another to greater heights of imagination and creativity.

“But for diversity to work its magic, there must also be inclusion. No matter how diverse we are, without inclusion we remain separated by physical, social, cultural and emotional barriers, and the creative spark is quenched by sameness and group think,” Harper says.

Enter the SBS network, which has commissioned Deloitte Access Economics to study the economic benefits of improving social inclusion.

By this is meant affording all people the best opportunities to enjoy life and prosper in society. It includes the Indigenous, and almost 7 million immigrants, from 270 ancestries, since 1945. All the women who should have more senior jobs. Almost 50,000 same-sex couples, and one in five people with a physical or mental disability.

About a third of small businesses in Australia, representing 1.4 million employees, are run by migrants to Australia, the great majority of whom didn’t own a business before coming here. And most migrants feel socially included.

Greater social inclusion means people are less likely to experience discrimination in employment, less likely to experience health issues, especially anxiety and depression. By lifting wages and workforce participation in districts of socioeconomic disadvantage, the benefits of economic growth can be shared more evenly across the community.

All this could save the taxpayers money, as well as making businesses more productive – which, by Deloitte’s modelling, could yield an economic dividend of more than $12 billion a year. And that’s not to mention the small matter of allowing the individuals to lead happier, more satisfying lives.

For many years economists believed economic efficiency and fairness to be in conflict. You could make the economy a fairer place only by making it a less-rich place.

That’s the economists’ exciting discovery in recent years: if you play your cards right, you can make the world fairer and a bit richer.

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We're edging towards admitting we're in secular stagnation

At least since 2012, Treasury, the Reserve Bank and successive governments have assured us a return to the old normal of strong economic growth, high wages and low unemployment wasn’t far off. But last week big cracks emerged in governor Philip Lowe’s optimistic facade.

In all the years since then, our estimated time of arrival at the promised land has been repeatedly pushed out a year or so. On the face of it, that’s what the Reserve did yet again in its quarterly statement on monetary policy.

Forecast growth in real gross domestic product over the year to December was cut again, to 2.5 per cent (down from a predicted 3.25 per cent last November), but not to worry. By June next year it will have bounced back to trend growth of 2.75 per cent. Happy days.

But that hardly fits with Lowe’s rhetoric during his appearance before the Parliament’s economics committee on Friday. He devoted a surprising amount of time to discussing the Reserve’s possible response in the "unlikely" event that the economy stayed weak.

His own forecasts imply the need for two further rate cuts, taking the official interest rate to just 0.5 per cent.

And if it got to 0.5 per cent, the Reserve would consider some form of "quantitative easing", he said, probably lowering the longer-term risk-free rate of interest by buying government bonds and paying for them simply by crediting the sellers’ accounts at the Reserve (the modern equivalent of "printing money").

What a long way we’ve come from Lowe’s line at the first official rate cut in June. The outlook for the economy was fine, he said then, it was just that the Reserve had redone its sums and realised that, with a bit of extra monetary stimulus, it could get the unemployment rate down to 4.5 per cent without causing any problem with inflation.

Actually, when your look deeper than the latest headline forecast of an early return to trend growth in the economy, you find that, by the end of 2021, wages still wouldn’t be growing any faster than they are now. Happy days?

Larry Summers, eminent academic economist and a former US Treasury secretary, began arguing that the American and other advanced economies were caught in "secular stagnation" – a protracted period of weak growth – in 2013. Since then, many economists have agreed, though they still debate its causes.

So far, however, those naughty, negative SS-words have never crossed the lips of any Treasury or Reserve official, let alone any politician. But on Friday Lowe gave us a detailed account of the phenomenon that’s both the key explanation for, and the main evidence of the existence of, secular stagnation: the amazingly low level of world real interest rates.

"There is a structural thing going on as well, and I think it is really important we understand this. At the moment, right around the world, there is an elevated desire to save and a depressed desire to invest," Lowe said.

"You see a lot of global savings because of demographic factors [population ageing]. There is a lot of saving in Asia [because they don’t have a social security system]. Many people borrowed too much in previous times and now they’re having to repair their balance sheets, so they want to save a bit more [paying off debt is a form of saving].

"There is a lot of desire to save and, right at the moment, not many firms want to invest. The reality we face is that, if a lot of people want to save and not many people want to use those savings to build new [physical] capital, savers are going to get low returns.

"The way the financial system works is that the central banks are the ones who set the interest rates, but we’re really responding to this deep structural shift in the balance between saving and investment right around the world and there’s not much we [central bankers] can do about that."

Just so. Two points. First, the "deep structural shift" began even before the global financial crisis. It’s not just the product of recent worry about a trade war – although that does provide econocrats and politicians with a convenient excuse to shift from their she’ll-be-right rhetoric.

Second, unprecedented low interest rates are a symptom of a deeper problem: aggregate (total) demand is insufficient to take up aggregate supply. That’s why growth is weak and will stay weak until a solution is found.

Where’s the additional demand to come from? Not from lower interest rates, obviously. Which leaves the budget. Now’s the time to rebuild public infrastructure and do other useful things we thought we couldn’t afford.

Anyone who still thinks now’s a good time to run budget surpluses just doesn’t get it. It’s now neither sensible nor possible. Wake up, Josh.

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One day the world's population will start falling

For those who worry about global warming and all the other damage humans are doing to our planet, the latest news on world population growth doesn’t seem good. Fortunately, however, the relationship between population and the environment is paradoxical.

The United Nations Population Division updated its projections in June. From its present 7.7 billion, the world’s population is projected to have grown by 2 billion in 2050. It should reach a peak of nearly 11 billion at about the end of this century, before it starts to fall.

Fortunately, projections are just projections, based on a lot of assumptions that may or may not prove to have been accurate. Some prominent demographers believe the UN’s assumptions are too pessimistic.

It’s a mistake to imagine that controlling world population growth is just a matter of access to effective contraception. Economic development also plays a big part.

It’s the activity of humans that generates greenhouse gas emissions and does other damage to the natural environment, using up non-renewable resources, over-using renewable resources such as fish stocks and forests, damaging soil and waterways, and making species extinct.

So the more people, the more damage. Most human activity is economic – people earning their living. And, the way economies are organised at present, the richer people become, the more damage they do.

But here’s the paradox: the richer people become, the fewer children they have.

As my favourite magazine, The Economist, noted in an article, before the Industrial Revolution the typical woman probably had seven or more children. In 1960, the global fertility rate was six children per woman. Today it’s 2.5.

Within that global average, the fertility rate in rich countries is 1.7 children, below the replacement rate for a stable population of 2.1. In middle-income countries it’s 2.4, not far above replacement. In poor countries, however, it’s 4.9 children.

The first economic factor to reduce family size is urbanisation. When you leave the farm, you don’t need as many kids to help with the work. (Both my parents grew up on farms early last century. Dad was one of 14, and Mum one of eight. Their four children, however, had an average fertility rate of 2.5.)

But perhaps the most important factor is the spread of education, particularly of girls. It’s well established that the more years girls spend at school, the fewer babies they have.

“Education reduces fertility by giving women other options,” The Economist says. “It increases their chances of finding paid work. It reduces their economic dependence on their husbands, making it easier to refuse to have more children even if he wants them.

“It equips them with the mental tools and self-confidence to question traditional norms, such as having as many children as possible. It makes it more likely they will understand, and use, contraception.

“It transforms their ambitions for their own children – and thus the number than they choose to have.”

Worldwide, the proportion of girls completing primary school has risen from 76 per cent in 1997 to 90 per cent today. The proportion completing lower secondary school is nearing 80 per cent.

Fertility rates are low in Europe – particularly in Italy (1.33) – and in Japan (1.37). They’re below replacement rate in New Zealand (1.9), Australia (1.83) and the US (1.78).

But the lowest fertility rates are in emerging Asia: Taiwan (1.15) and South Korea (1.11). In the world’s most populous country, China, it’s 1.69, thanks to the one-child policy. After the relaxation of that policy it rose only briefly. Flats are too small and childcare too limited.

By contrast, India’s rate is 2.24, pretty close to replacement. And it varies greatly from 1.8 in wealthy states such as Maharashtra, to more than 3 in poor states such as Uttar Pradesh. Even so, India's population is expected to overtake China’s in 2027.

Because fertility rates cover the whole child-bearing lives of women, it takes a long time for the population of a country that's a bit below the replacement rate to start falling – assuming they don’t top up with immigration, as we do.

Even so, 27 countries’ populations have fallen since 2010 – sometimes with low fertility rates reinforced by high emigration. Over the next 30 years, 55 countries’ populations are projected to fall – almost half of them by more than 10 per cent. China’s may fall by about 31 million, or 2 per cent.

So what’s the problem? In a word: Africa. Its painfully slow rate of economic development leaves it still with fertility rates of five or six, including big countries such as Nigeria, the Congo, Ethiopia and Tanzania.

The best hope that the world’s population will stop growing sooner than the UN projects is that it has underestimated the rise of girls’ education in Africa (and India and Pakistan).

Of course, economic development is two-edged. It may stop population growth, but it makes everyone else richer and thus makes more demands on the environment.

Just as we can limit climate change without reducing energy use by switching to renewable sources, so we could reorganise the economy in ways that ensured continued economic growth didn’t involve continued destruction of the environment. If we had the will.

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Change is inevitable. If we embrace it we win; resist it we lose

Will Australia’s future over the next 40 years be bright or pretty ordinary? It could go either way, depending on how we respond to the challenges facing us. So what do we have to do to rise to the occasion?

The challenges, choices and likely consequence we face are spelt out in the report, Australian National Outlook 2019, produced by the CSIRO in consultation with 50 leaders from companies, universities and non-profits. The group was chaired by Dr Ken Henry, former Treasury secretary, and David Thodey, former boss of Telstra.

The report identifies six main challenges we face between now and 2060. First is the rise of Asia and the way it is shifting the geopolitical and economic landscape.

Asia’s middle class is growing rapidly, but unless we improve our ability to compete and also diversify our exports, we risk missing out on this opportunity and will be vulnerable to external shocks.

Next is the challenge of technological change, such as artificial intelligence, automation and biotechnology, which is transforming existing industries and changing the skills required for high-quality jobs.

Third challenge is climate change, the environment and loss of biodiversity. These pose a significant economic, environmental and social threat to the world and to us. We could be on a path to 4 degrees global warming by the end of the century unless significant action is taken.

Then there’s the demographic challenge: at current growth rates Australia’s population may approach 41 million by 2060, with Sydney and Melbourne housing 8 to 9 million people each. At the same time, ageing means the population’s rate of participation in the workforce could drop from 66 per cent to 60 per cent. (I don’t accept that such a rate of population growth is either inevitable or desirable.)

The fifth challenge is that trust in governments, businesses, other organisations and the media has declined. Without a lot of trust, it will be much harder to agree on the often-tough measures needed to respond to all these challenges.

Finally, measures of social cohesion have fallen in the past decade, with many Australians feeling left behind. Inequality, financial stress, slow wage growth and poor housing affordability may be contributing to this.

The report develops two plausible but opposite scenarios of how things may develop over the next 40 years. The “slow decline” scenario is the muddle-through future, in which we resist change for as long as we can. In the “outlook vision” scenario we agree to bite the bullet, resist the lobbying of declining industries, make the needed policy changes and exploit the benefits of new technology and trading opportunities.

Under the low-road scenario, real gross domestic product grows at an average rate of 2.1 per cent a year, whereas under the high-road scenario it grows by 2.8 per cent. This would cause average real growth per person to be 39 per cent higher than under the low-road.

Real wages would be 90 per cent higher in 2060 than today, compared with 40 per cent higher under the low-road.

The low-road approach would allow cities to continue to sprawl, whereas the high-road would involve increasing the density of cities by about 75 per cent compared with today. This would keep our cities highly liveable.

Urban congestion could be reduced by higher density. Vehicle kilometres per person would fall by less than 25 per cent under the low-road, compared with up to 45 per cent under the high-road.

Net carbon emissions would fall by only 11 per cent under the low-road, with total energy use increasing by 61 per cent on 2016 levels, and only a modest improvement in energy productivity (efficiency).

By contrast, net zero emissions would be reached by 2050 under the high-road, with a doubling of energy productivity per unit of GDP and total energy use increasing by less than 45 per cent.

Whereas returns to landowners would increase by about $18 billion a year under the low-road, they’d increase by up to $84 billion a year under the high-road.

There’d be minimal environmental planting in 2060 under the low-road, but between 11 to 20 million hectares under the high-road, accounting for up to a quarter of intensive agricultural land. This “carbon forestry” explains why net zero emissions could be achieved without significant effect on economic growth.

More biodiverse plantings and better land management could help restore our ecosystems. And low-emission, low-cost sources of energy could even become a source of comparative advantage for us, with exports of hydrogen and high-voltage direct-current power.

The report says we need to achieve five key shifts to get us on to the high road. First, Industry. We need to allow a change in the structure of our industry, by increasing the adoption of new technology and so increasing productivity. We need to invest in the skills of our workers to keep their labour globally competitive and ready for the technology-enabled jobs of the future.

Second, urban sprawl. We need to plan for higher-density, multicentred and well-connected capital cities to reduce sprawl and congestion. We need to reform land-use zoning, so diverse high-quality housing options bring people closer to jobs, services and amenities. We must invest in transport infrastructure, including mass-transit, autonomous vehicles and "active transit", such as walking and cycling.

Third, energy. We must manage the shift to renewable energy, which will be driven by declining technology costs for generation, storage and grid support. We need to improve energy productivity using new technology to reduce the waste of power by households and industry.

Fourth, land. We need to use digital and genomic technology to improve food technology and to participate in new agricultural environmental markets to capitalise on our unique opportunities in global carbon markets. This will help to maintain, restore and invest in biodiversity and ecosystem health.

Finally, culture. We need to rebuild trust, encourage a healthy culture of risk-taking and deal with the social and environmental costs of reform policies.

Trouble is, a public that’s willing to re-elect the reactionary Morrison government seems more likely to settle for the low-road than strive for the best we could be.

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Perrottet uses no-probs rhetoric to hide fiscal stimulus

If you’ve ever got a dodgy proposition you want spruiked, see if you can get NSW Treasurer Dominic Perrottet to do it.

His budget offers the most optimistic view of the next four years, leading our state to a new Golden Century (and here was me thinking the Golden Century was where Sussex Street Labor went for a Chinese meal).

Behind all Perrottet’s bravado, however, he has taken his lumps, using his budget to absorb some of the economic pain and keep stimulating the state’s slowing economy.

Which makes him much less in denial than his federal counterpart, Josh Frydenberg, who despite all the bad news we’ve had about the national economy since his budget in April, says he’s pressing on with returning the federal budget to surplus.

The stark truth, from which Perrottet was trying to distract attention, is that the NSW economy is well past its peak. It will be many years before yet another housing boom brings back such good times.

The real question is just how far the economy will deteriorate before it levels out. Perrottet sees it slowing only to annual growth of 2.25 per cent in the financial year just ending and going no slower in the coming year, before bouncing back to its average rate of 2.5 per cent in the following years.

In other words, the present sharp slowdown will prove to be just a blip in our inevitable progress onward and upward. Like Frydenberg, Perrottet is a member of the “back-to-normal-in-no-time” party.

Let’s hope their optimism is right. I doubt we’re that lucky.

Perrottet makes much of the unusually strong growth in employment – and unusually low rate of unemployment – we’ve seen in recent years, with NSW performing better than most other states.

What he doesn’t mention is that, according to his own forecasts, those days are past. Employment may have grown by 3.25 per cent in the financial year just ending, but in the coming year growth will slow to 1.5 per cent, and a fraction less in subsequent years.

On the other hand, while the labour market is weakening, we’re told, wage growth will be strengthening, growing 0.75 percentage points faster than consumer prices in the year just ending and pretty much for the next three or four years.

Why so confident of stronger wage growth? Because, if it doesn’t happen, consumer spending will fall in a heap and so will the economy overall.

It’s when you come to his budget that Perrottet’s actions speak louder than his happy words. Having achieved years of huge budget operating surpluses when the housing market was booming and collections of conveyancing duty were overflowing, he’s now repeatedly revised down his expected surpluses as the extent of the housing bust has become apparent.

Had he been as obsessed with budget surpluses as his federal colleagues, he could have sought to limit the fall by cutting expenses but, even in this post-election budget, cuts in government spending are minor.

And, unlike other state governments, he has resisted the temptation to lower the 2.5 per cent government-imposed cap on public sector wage rises. Rather, the government will press on with its election promises to hire more than 14,000 extra teachers, nurses, health professionals and police over the next four years.

State governments regularly run operating surpluses to help fund their annual investment in infrastructure and other capital works. Perrottet increased infrastructure spending by 47 per cent in the financial year just ending and plans to increase it by a further 25 per cent in the coming year. This will increase the state’s expected overall (not just operating) budget deficit (repeat, deficit) to $14.5 billion in 2019-20, up from $2.8 billion two years earlier.

Perrottet estimates that this investment spending will account for about 0.5 percentage points of the state’s expected economic growth of 2.25 per cent in each of this and the coming financial years.

He may talk the same see-no-evil talk as the federal treasurer, but he seems to know a lot more about how you keep the economy growing in tough times.

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It's the budget, not interest rates, that must save the economy

According to a leading American economist, there are two views of the way governments should use their budgets ("fiscal policy") in their efforts to manage the macro economy as it moves through the business cycle: the old view – which is now wrong, wrong, wrong – and the new view, which is now right.

In late 2016, not long before he stepped down as chairman of President Obama’s Council of Economic Advisers and returned to his job as an economics professor at Harvard, Jason Furman gave a speech in which he drew just such a comparison.

I tell you about it now because, with our economy slowing sharply, but the Reserve Bank fast running out of room to cut its official interest rate so as to stimulate demand, it’s suddenly become highly relevant.

Furman says the old view has four key principles. First, "discretionary" fiscal policy (that is, explicit government decisions to change taxes or government spending, as opposed to changes that happen automatically as the economy moves through the ups and downs of the cycle) is inferior to "monetary policy" (changes in interest rates) as a tool for trying to stabilise the economy.

This is because, compared with monetary policy, fiscal policy has longer "lags" (delays) in being put into effect, in having its intended effect on the economy and in being reversed once the need for stimulus has passed. Scott Morrison’s inability to get his tax cut through Parliament by July 1, as he promised he could, is a case in point.

Second, even if governments could get their timing right, stimulating the economy just when it’s needed, not after the need has passed, discretionary fiscal stimulus wouldn’t work.

It could be completely ineffective because, according to a wildly theoretical notion called “Ricardian equivalence”, people understand that a tax cut will eventually have to be paid for with higher taxes, so they save their tax cut rather than spending it, in readiness for that day. Yeah, sure.

Or it could be partially ineffective because the increased government borrowing need to cover the budget deficit would force up interest rates and thus "crowd out" some amount of private sector investment spending.

Third, use of the budget to try to boost demand (spending) in the economy, should be done sparingly, if at all, because the main policy priority should be long-run fiscal balance or, as we call it in Oz, "fiscal sustainability" – making sure we don’t end up with too much public debt.

Now, I should explain that this view is the international conventional wisdom that eventually emerged following the advent of "stagflation" in the early 1970s, and the great battle between Keynesians and "monetarists" that ensued.

But Furman adds a fourth principle to the old view of fiscal policy: policymakers foolish enough to ignore the first three principles should at least make sure that any fiscal stimulus is very short run, so as to support the economy before monetary stimulus fully kicks in, thereby minimising the harm done.

Remind you of anything? The package of budgetary measures – the cash splashes and shovel-ready capital works – designed mainly by Treasury’s Dr Ken Henry after the global financial crisis in 2008 which, in combination with a huge cut in interest rates, succeeded in preventing us being caught up in the Great Recession, was carefully calculated to be "timely, targeted and temporary".

Furman says that, today, the tide of expert opinion is shifting to almost the opposite view on all four points.

That’s because of the prolonged aftermath of the financial crisis, the realisation that the neutral level of interest rates has been declining for decades, the better understanding of economic policy from the past eight years, the new empirical research on the impact of fiscal policy, and the financial markets’ relaxed response to large increases in countries’ public debt relative to gross domestic product.

Furman admits that this "new view" of the role of fiscal policy is essentially the "old old view" dating back to the Keynesian orthodoxy that prevailed between the end of World War II and the mid-1970s.

Furman outlines five principles of the new view of fiscal policy. First, it’s often beneficial for fiscal policy to complement monetary policy.

This is because the use of monetary policy is constrained by interest rates being so close to zero.

This isn’t new: the real interest rate has been trending down in many countries since the 1980s and was already quite low before the financial crisis.

Second, in practice, discretionary fiscal policy can be very effective. Experience since the crisis shows that Keynesian “multipliers” (where stimulus of $1 adds more than that to GDP) are a lot bigger than formerly thought.

And when you apply fiscal stimulus at a time when private demand is weak, there's little risk of inflation, so central banks won’t be tempted to respond by tightening monetary policy and lifting interest rates, thus countering the fiscal stimulus.

Third, governments have more “fiscal space” to run deficits and increase debt than formerly believed. The economic growth that fiscal stimulus causes means nominal GDP may grow as fast or faster than the increase in government debt.

Partly because of reform, the ageing of the population won’t be as big a burden on future budgets as formerly thought.

Fourth, if government spending involves investment in needed infrastructure, skills and research and development, it not only adds to demand in the short term, it adds to the economy’s productivity capacity (supply) in the medium term.

And finally, when countries co-ordinate their fiscal stimulus – as they did in their initial response to the financial crisis - the benefit to the world economy becomes much greater. This is because one country’s “leakage” through greater imports is another country’s “injection” through greater exports, and vice versa.

It seems clear Reserve Bank governor Dr Philip Lowe understands all this.

But whether the present leaders of Treasury, and Treasurer Josh Frydenberg’s private advisers, have kept up with the research I wouldn’t be at all sure.

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Election hype about strong growth now back to grim reality

The grim news this week is that the weakening in the economy continued for the third quarter in row, with economic activity needing to be propped up by government spending.

The Australian Bureau of Statistics’ “national accounts” showed real gross domestic product – the nation’s production of market goods and services – grew by just 0.3 per cent in the September quarter of last year, 0.2 per cent in the December quarter and now 0.4 per cent in the March quarter of this year, cutting the annual rate of growth down to 1.8 per cent.

That compares with official estimates of our “potential” or possible growth rate of 2.75 per cent a year. It laughs at Treasurer Josh Frydenberg’s claim in the April budget – and Scott Morrison’s claim in the election campaign - to have returned the economy to “strong growth”, which will roll on for a decade without missing a beat.

It suggests Frydenberg’s boast of having achieved budget surpluses in the coming four financial years – and Labor’s boast that its surpluses would be bigger – are little more than wishful thinking, manufactured by a politicised Treasury.

The future may turn out to be golden but, even if it does, the econocrats have no way of knowing that in advance – they’re just guessing - and the road between now and then looks pretty rocky.

Why is the immediate outlook for the economy so weak and uncertain? Not primarily because of any great threat from abroad – though a flare-up in Donald Trump’s trade war with China could certainly make things worse – but primarily because of one big and well-known problem inside our economy: five years of weak growth in wages.

When you examine the national accounts, that’s what you find. Over the nine months to March, the income Australia’s households received from wages grew by 3.5 per cent, before adjusting for inflation.

That wasn’t because of strong growth in wage rates, but because more people had jobs. Weakness in other forms of household income meant that total household income grew by just 2.4 per cent.

But households’ payments of income tax grew by 4.5 per cent, thanks mainly to bracket creep. This helped cut the growth in household disposable income to 2 per cent. Even so, households’ spending on consumer goods and services grew by 2.2 per cent – meaning they had to reduce their rate of saving.

Actually, the last big fall in households’ rate of saving occurred in the September quarter. Since then, households have tightened their belts, cutting the growth in their consumer spending so as to raise their rate of saving from 2.5 per cent of their disposable income to 2.8 per cent.

Reverting to “real” (inflation-adjusted) figures, this explains why consumer spending has grown by only about 0.3 per cent a quarter since June, reducing its growth over the year to March to an anaemic 1.8 per cent.

The bureau noted that the weakness in consumer spending was greatest in discretionary spending categories, including on recreation, cafes and restaurants, and clothing and footwear – a further sign that households are feeling the pinch.

Since consumer spending accounts for almost 60 per cent of GDP, that’s all the explanation you need as to why the economy’s now so weak. But there are other factors contributing.

One is the end of the housing boom. Home-building’s contribution to growth peaked in the September quarter, with building activity falling by 2.9 per cent and 2.5 per cent in the following two quarters. It will keep falling for some time yet.

And business investment is also weak. While non-mining investment grew by 2 per cent in the quarter, mining investment fell a further 1.8 per cent. Overall, business investment was up 0.6 per cent in the quarter, but down 1.3 per cent over the year to March.

External demand is helping, however. With the volume of exports growing, while the volume of imports was “flat to down” - another sign of weak domestic demand - “net exports” (exports minus imports) are contributing to growth.

Even so, total private sector demand (spending) has actually fallen for the second quarter in a row. So, apart from the contribution from net exports, any growth is coming from public sector demand.

It grew by 0.7 per cent in the quarter to be 5.5 per cent higher over the year. This reflects the rollout of the National Disability Insurance Scheme and state spending on infrastructure. It means government spending contributed half the growth in GDP during the quarter and more than 70 per cent of total GDP growth over the year to March.

Note, it’s not a bad thing for government spending to be contributing to growth. That’s exactly what it should be doing when private demand is weak. No, the concern is not that public spending is strong, it’s that private spending is so weak.

Dividing GDP by the population shows that GDP per person fell fractionally for another quarter, and grew by a mere 0.1 per cent over the year to March.

This tells us not that the economy is on the edge of recession – how could GDP contract when a growing population is making it ever bigger? – but that, as Jo Masters of Ernst & Young has said, “growth is being driven by population growth alone, and not increased participation or productivity”.

The economy’s getting bigger, but it’s not leaving us any better off.

Speaking of productivity, the productivity of labour deteriorated by 0.5 per cent in the March quarter and by 1 per cent over the year.

Is this a terrible thing? Well, before you slit your wrists, remember that when employment is growing a lot faster than the growth in the economy would lead you to expect, a fall in GDP per worker (or, in this case, per hour worked) is just what the laws of arithmetic would lead you to expect.

Surprisingly strong growth in employment – most of it full-time – doesn’t sound like a bad thing to me. It’s just hard to see how it can last much longer.

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Interest rate cuts may not do much to counter slowdown

This won’t be the only cut in interest rates we see in coming months – which may be good news for people with mortgages, but it’s a bad sign for the economy in which we live and work.

The Reserve Bank is cutting rates because the economy’s growth has slowed sharply, with weak consumer spending and early signs that unemployment is rising.

In such circumstances, cutting interest rates to encourage greater borrowing and spending is the only thing it can do to try to push things along.

Whether we see just one more 0.25 percentage-point cut in a month or two’s time, or whether there will be more after that depends on just how slowly the economy is growing. The Reserve – and the rest of us - will get a much better idea of that on Wednesday morning, when the Australian Bureau of Statistics publishes the quarterly “national accounts”, showing by how much real gross domestic product grew during the first three months of this year.

If you’re thinking that cutting interest rates by a mere 0.25 per cent isn’t likely to make much difference, you’re right. That’s why we can be sure there’ll be at least one more cut.

While it’s true that, with the official interest rate now at a new record low of 1.25 per cent, the Reserve has limited scope for further cuts, don’t expect it to follow the advice from some chief executives that it should refrain from responding to further evidence of weakness in the economy with further cuts so that, once the economy’s reached the point of being really, really weak, the Reserve will still have something left to use to give it life support.

Let’s hope these executives are better at running their own businesses than they are at offering the econocrats helpful hints on how they should be doing their job.

No, we can be confident that, until it believes the economy is picking up, the Reserve will keep doing the only thing it can to help – cutting rates further.

Should this mean the official rate gets to zero, Scott Morrison and his government will then have no choice but finally to respond to governor Dr Philip Lowe’s repeated requests – repeated again only two weeks ago – that they put less emphasis on returning the budget to surplus and more on helping to keep the economy growing, by spending more on needed (note that word) infrastructure and doing it soon, not sometime in the next decade.

Morrison got himself re-elected by claiming to be much better at running the economy than his political opponents. In the next three years we’ll all see just how good he is. Boasting about budget surpluses while unemployment rises is unlikely to impress.

But back to the efficacy of interest rate cuts. Even if we get several more of them, the economy’s circumstances are such that this wouldn’t offer it a huge stimulus.

One part of this is that while interest rates are an expense to borrowers, they are income to lenders, so that a rate cut reduces the spending power of the retired and others. This is always true, but it’s equally true that borrowers outnumber lenders, so the net effect of a rate cut is to increase spending.

In principle, the mortgage payments of households with home loans will now be a little lower, leaving them with more to spend on other things. In practice, many people leave their payments unchanged so they’re repaying the mortgage a little faster.

In principle, lower mortgage rates allow people to borrow more. And moving houses almost always involves increased spending on consumer durables - new lounge suites and the like. In practice, Australian households are already so heavily indebted that few are likely to be tempted to borrow more.

In principle, lower interest rates should also encourage businesses to borrow more to expand their businesses. In practice, what’s constraining businesses from borrowing more is poor trading prospects, not the (already-low) cost of borrowing.

In principle, lower rates are good news for the property market. But the Reserve wouldn’t be cutting rates if it thought the property boom might take off again. Combined with the removal of Labor’s threat to negative gearing, the likely result is a slower rate of fall in house prices, or maybe a floor for them to bump along for a few years. The home building industry won’t return to growth for some years yet.

The rate cuts should, however, cause our dollar to be lower, which may not please people planning overseas holidays, but will give a boost to our export and import-competing industries.

Putting it all together, even if we get a few more rate cuts that isn’t likely to give the economy a huge boost. Which means it’s unlikely to do much to fix the underlying source of the economy’s weakness: very small increases in wages.

The Fair Work Commission’s decision to raise all award minimum wage rates by 3 per cent will help about 2.2 million workers, but few of the remaining 10.6 million are likely to do as well.

Morrison’s promised $1080 boost to tax refund cheques, coming sometime after taxpayers have submitted their annual returns from the end of this month, will provide a temporary fillip, but it's a poor substitute for stronger growth and the improved productivity it helps to bring.

I have a feeling Morrison and his merry ministers will really be earning their money over the next three years.

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Our new economic worry: Reserve Bank running out of bullets

Scott Morrison got the government re-elected on the back of a budget built on an illusion: that the economy was growing strongly and would go on doing so for a decade. The illusion allowed Morrison to boast about getting the budget back into surplus and keeping it there, despite promising the most expensive tax cuts we’ve seen.

The illusion began falling apart even while the election campaign progressed. The Reserve Bank board responded to the deterioration in the economic outlook at its meeting 11 days before the election.

It’s now clear to me that it decided to bolster the economy by lowering interest rates, but not to start cutting until its next meeting, which would be after the election – next Tuesday.

If that wasn’t bad enough for Morrison, with all his skiting about returning the budget to surplus he may have painted himself – and the economy – into a corner.

In a speech last week, Reserve Bank governor Dr Philip Lowe made it clear that cutting interest rates might not be enough to keep the economy growing. He asked for his economic lever, “monetary policy” (interest rates), to be assisted by the government’s economic lever, “fiscal policy” (the budget).

He specifically mentioned the need to increase government spending on infrastructure projects, but he could have added a “cash splash” similar to those Kevin Rudd used to fend off recession after the global financial crisis in 2008.

See the problem? Any major slowdown in the economy would reduce tax collections and increase government spending on unemployment benefits, either stopping the budget returning to surplus or soon putting it back into deficit.

That happens automatically, whether the government likes it or not. That’s before any explicit government decisions to increase infrastructure spending, or splash cash or cut taxes, also worsened the budget balance.

And consider this. The Reserve’s official interest rate is already at a record low of 1.5 per cent. Its practice is to cut the official rate in steps of 0.25 percentage points. That means it’s got only six shots left in its locker before it hits what pompous economists call the “zero lower bound”.

What happens if all the shots have been fired, but they’re not enough to keep the economy growing? The budget – increased government spending or tax cuts – is all that’s left.

The economics of this is simple, clear and conventional behaviour in a downturn. All that’s different is that rates are so close to zero. For Morrison, however, the politics would involve a huge climb-down and about-face.

My colleague Latika Bourke has reported Liberal Party federal director Andrew Hirst saying that, according to the party’s private polling, the Coalition experienced a critical “reset” with April’s budget. The government’s commitment to get the budget back to surplus cut through with voters and provided a sustained bounce in the Coalition’s primary vote.

The promised budget surplus also sent a message to voters that the Coalition could manage the economy, Bourke reported.

Oh dear. Bit early to be counting your chickens.

The first blow during the election campaign to the government’s confident budget forecasts of continuing strong growth came with news that the overall cost of the basket of goods and services measured by the consumer price index did not change during the March quarter, cutting the annual inflation rate to 1.3 per cent, even further below the Reserve’s target of 2 to 3 per cent on average.

Such weak growth in prices is a sign of weak demand in the economy.

The second blow was that, rather than increasing as the budget forecast it would, the annual rise in the wage price index remained stuck at 2.3 per cent for the third quarter in a row. The budget has wages rising by 2.75 per cent by next June, by 3.25 per cent a year later and 3.5 per cent a year after that.

As Lowe never tires of explaining, it’s the weak growth in wages that does most to explain the weakening growth in consumer spending and, hence, the economy overall. Labor had plans to increase wages; Morrison’s plan is “be patient”.

The third blow to the budget’s overoptimism was that, after being stuck at 5 per cent for six months, in April the rate of unemployment worsened to 5.2 per cent. The rate of under-employment jumped to 8.5 per cent.

Why didn’t Labor make more of these signs of weakening economic growth during the campaign? It had no desire to cast doubt on the veracity of the government’s budget forecasts because, just as they provided the basis for the government’s big tax cuts, they were also the basis for Labor’s tax and spending plans.

Labor was intent on proving that its budget surpluses over the next four years would be bigger than the government’s – $17 billion bigger, to be precise.

Think of it: an election campaign fought over which side was better at getting the budget back to surplus, just as a slowing economy and the limits to interest-rate cutting mean that, at best, any return to surplus is likely to be temporary.

Morrison’s $1080 tax refund cheques in a few months will help bolster consumer spending, but they’re a poor substitute for decent annual pay rises.

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Now the pilot's back, economy flying on a wing and a prayer

It’s always nice for the country to be led by someone who’s obviously got God on his side. When he prays for a miracle, he gets it. And the challenges facing the economy are such that Scott Morrison may need all the divine assistance he can summon.

The Coalition – and their dispirited opponents - should remember the fate of the last chap who won an unwinnable federal election: Paul Keating in 1993. By the time the next election arrived, voters were, in Queensland Labor premier Wayne Goss’s words, “sitting on their verandas with baseball bats”.

The Liberals shouldn’t forget the miraculous nature of their win. After their years of infighting and indiscipline they richly deserved to be thrown out, but were saved by Morrison’s superior campaigning skills and his success in convincing people with nothing to fear from restrictions on franking credits and negative gearing that they should be fearful (not sure what God thought about that).

This was not a historic vindication, just a reprieve. Carry on the way you have been, and your fate will only have been delayed.

And remember: Keating’s reprieve came as part of the 25 years Australians spent trembling at the thought of a tax on services as well as goods. “If you don’t understand it,” Keating told the punters, “don’t vote for it.”

We’ve now had such a tax for almost 20 years. And would you believe? Turned out the GST was no biggie. What brave souls we are.

Come July, we’ll have gone an amazing 28 years without a severe recession. Starting to sound ominous.

Look around the world – trade war between America and China, China’s faltering economic miracle, America’s boom that must bust, Japan and Europe with chronically weak economies and Brexit Britain about to shoot its economy in both feet – and it’s not hard to think you see our next recession in the offing.

Certainly, it has to come some time. But I don’t see one as imminent. What many don’t realise is we have enough troubles of our own, without help from abroad.

Ever since the global financial crisis in 2008-09, and more so since the busting of our mining construction boom in 2013, our economy has been acting strangely, behaving in ways it used not to.

If Morrison and his Treasurer, Josh Frydenberg, understand the way it hasn’t been back to business as usual, they’ve shown little sign of it.

If they haven’t yet got the message – perhaps because a politicised Treasury hasn’t been game to give them news they won’t like – enlightenment, in the form of being hit on the head by the bureau of statistics, may not be far off.

Ever since Treasury’s optimistic forecasts encouraged Labor’s Wayne Swan to claim to be delivering four budget surpluses in a row – a claim Frydenberg repeated in the April budget – the econocrats have just shifted forward another year their unwavering conviction that everything will soon be back to the old normal.

It hasn’t happened throughout the Coalition’s two terms. The economy’s just kept grinding along in second gear, failing to reach the cruising speed the econocrats profess to see coming.

It hasn’t happened because the economy’s productivity – output per unit of input - hasn’t improved as fast as it used to, and what little improvement we’ve had hasn’t flowed on to wages. It’s because wages haven’t grown faster than prices, as we’ve come to expect, that so many people are complaining about the cost of living.

What has concealed the truth from us is our rapid, immigration-fuelled population growth. The other rich countries’ populations haven’t been growing nearly as fast. This has given us a bigger economy, but not a richer one.

Of late we have had a partial – and probably temporary – rebound in the prices we get for our mineral exports. Combined with years of bracket creep, the boost to mining company profits (and their tax payments) has finally made Frydenberg’s budget look a lot healthier than the economy does.

Weak growth in real wages (plus continuing bracket creep) mean weak growth in the disposable income of Australia’s households. Which, in turn, means weak growth in the economy’s mainstay, consumer spending.

All this became unmissable when the economy slowed to a crawl in the second half of last year. Predictably, the April budget took this to be little more than a blip on the onward and upward trajectory.

But all the economic indicators we’ve seen since the budget – weak inflation, no improvement in wage growth – suggest the weakness is continuing.

Another respect in which the economy has been behaving strangely is that employment – particularly full-time jobs - has been growing much more strongly than the modest growth in the economy would lead us to expect.

It’s this that Morrison and Frydenberg trumpeted during the election campaign as proof positive of their superior management of the economy. Fine. But the rate of growth in employment is slowing and the rate of unemployment, having fallen slowly to 5 per cent, seems now to be going up, not down.

With the election out of the way, the Reserve Bank won’t wait long before it cuts interest rates to try to give the economy a boost. The $1080-a-pop tax refund cheques after June 30 will also help, provided Morrison can get them through Parliament in time. More earnest prayer required, I think.

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Let's stop pretending the old normal is just around the corner

Just as a new chief executive makes sure their first act is to clear out all the stuff-ups left by their predecessor, so a new federal government needs to release its econocrats from the ever-more dubious proposition that nothing in the economy has changed and we’ll soon be back to the old normal.

That’s the old normal of productivity improving by 1.5 per cent a year, the economy growing by 2.75 per cent and wages growing more than 1 per cent faster than the 2.5 per cent inflation rate, with unemployment of 5 per cent and a fat budget surplus rapidly returning the government’s net debt to zero.

That’s the happy fantasy the econocrats have been predicting every year since 2012, the year they helped former treasurer Wayne Swan delude himself he was “delivering” four budget surpluses in a row.

It’s the same fantasy guiding the forecasts in this year’s budget and allowing Treasurer Josh Frydenberg to repeat Swan’s prediction.

A new government would do well to start by freeing itself from the purgatory of endlessly under-achieved forecasts. A re-elected government, of course, would find it much harder to free itself from addiction to the happy pills.

A now highly politicised Treasury seems to have had little trouble keeping this dubious faith that nothing fundamental in the economy has changed and that, every year the return to the old normal fails to happen – we’re up to seven and counting – makes this year’s forecast all the more likely to be the lucky winner.

No, it’s the Reserve Bank and its governor, Dr Philip Lowe, that’s had trouble reconciling the she’ll-be-right forecasting methodology with the daily reality of economic indicators that didn’t get the memo. Unlike Treasury, Lowe has to do it in public – and update his forecasts every quarter, not just twice a year.

The Reserve may be independent when it comes to making decisions about interest rates – though, as we saw last week, not still so independent it’s game to risk pricking the political happy bubble by cutting rates during an election campaign – but it has never allowed itself to be independent of Treasury’s forecasts.

Being bureaucrats, the Reserve’s bosses live in fear of ignorant journalists writing stories about Treasury and the Reserve being at loggerheads. So they never allow their forecasts to be more than a quarter of a percentage point at variance with Treasury’s.

Their bureaucratic minds also mean they prefer to initiate rate changes in February, May, August or on Melbourne Cup day, so their move can be justified in the quarterly statement on monetary policy published the following Friday.

All this does much to explain the contortions Lowe put himself through last week. Everything the Reserve said about the immediate outlook for the economy implied it should have begun cutting last week.

It slashed its forecasts for consumer spending, inflation and GDP for the rest of this calendar year, which of itself was enough to justify an immediate cut. Last Tuesday it told us enigmatically it “will be paying close attention to developments in the labour market”, but three days later forecast that unemployment would be unchanged at 5 per cent for the next two years.

What Lowe hasn’t explained is that the only thing in the labour market that would stop him cutting rates in the next few months is if unemployment were to fall. That’s because the one respect in which he’s broken free of the Treasury orthodoxy is his acknowledgement, before a parliamentary committee, that the best estimate of full employment (the “non-accelerating-inflation rate of unemployment”) has dropped from about 5 per cent to about 4.5 per cent. If you’re not heading down to 4.5 per cent, why aren’t you cutting?

Trouble is, if full employment is 4.5 not Treasury’s 5, that means our “potential” growth rate is likely to be below Treasury’s 2.75 per cent (including its assumption of 1.5 per cent annual improvement in productivity). And, if that’s so, then our “output gap” will be less than the 1.25 percentage points that Treasury uses to justify its projection that the economy will grow for five years in a row at 3 per cent, before dropping back to 2.75 per cent a year.

The trick to Treasury’s forecasting is that, though it always cuts its immediate forecasts to accommodate the latest disappointment in the actual data, its mechanical projections assume “reversion to the mean”, so its later forecasts have to rise to meet the start of the we’re-back-to-normal projections. But it’s always the old mean we'll be reverting to, not any new one.

Now get this: measured on a consistent “year-average” basis, the Reserve’s latest “slashed” forecasts differ in no significant way from those Treasury put in this year's budget. When it comes to forecasting, the Reserve is slave to a politicised Treasury.

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Interest rate cuts are coming, which isn't good news

The Reserve Bank may have decided not to cut interest rates right now, but it’s likely to be only a few months before it does start cutting, and it’s unlikely to stop at one. So, is it just waiting until after the election? I doubt that’s the reason.

The Reserve has moved interest rates twice during election campaigns – raising them in 2007 (much to the surprise of Peter Costello, whose mind was on politics at the time) and cutting them in 2013 – so, had Reserve governor Dr Philip Lowe considered an immediate cut was needed, I doubt he would have hesitated to make it.

The Reserve acts independently of the elected government, so it is – and must be seen to be - apolitical. Lowe’s predecessor, Glenn Stevens – who instigated both those previous moves – decided that the only way to be genuinely apolitical was for him to act as soon as he believed the best interests of the economy required him to, regardless of what the politicians were up to at the time.

I doubt his former deputy and understudy, Lowe, would see it any differently.

So, is Lowe’s judgement that a rate cut isn’t needed urgently bad news or good for Scott Morrison – or, conversely, for Bill Shorten?

First point: stupid question. What matters most is whether it’s good or bad news for you and me, and the economy we live in, not the fortunes of the people we hire to run the country for us. The rest is mere political speculation.

The media invariably judge a fall in interest rates to be good news and a rise bad news. But this is far too narrow a perspective. For a start, it assumes all their customers have mortgages and none are saving for a home deposit or for retirement. The retired are absolutely hating the present protracted period of record low interest rates.

For another thing, it assumes that our loans or our deposits are the only things that matter to our economic wellbeing. That the central bank’s movement of interest rates has no implications for, say, our prospects of getting a decent pay rise, or of hanging onto our job.

The fact is that central banks use the manipulation of interest rates to influence the rate at which the economy’s growing. They raise rates when everything’s going swimmingly and, in fact, needs slowing down a bit to keep inflation in check.

They cut interest rates when things aren’t going all that well – when, for instance, low wage increases are causing anaemic growth in consumer spending and this is giving businesses little incentive to expand their operations, or when a rise in unemployment is threatening.

Penny dropped? A cut in interest rates is a portent of tougher times ahead, whereas a rise in rates says the good times are rolling and will keep doing so for a while yet.

So it’s not at all clear that, had he cut rates, Lowe would have been doing Morrison a favour politically and doing Shorten a disservice.

In Treasurer Josh Frydenberg’s budget speech a month ago – it seems an eternity – he used the phrase “strong growth” 14 times. Turned out Morrison was basing his case for re-election on the claim that the Coalition had returned the economy to strong growth – after the mess those terrible unwashed union people had made, as they always do.

That claim is now not looking so believable. It was in trouble even before the budget, when we learnt in March that the economy had suffered a second successive quarter of weak growth, slashing the rise in real gross domestic product during 2018 to just 2.3 per cent – rather than the 3 per cent the Reserve had been talking about.

This was the first sign that, having left its official interest rate steady at 1.5 per cent for more than two and a half years, the Reserve needed to think about using a cut in rates to help push the economy along.

The next sign came just a fortnight ago, when the release of the consumer price index showed that, while some prices fell and others rose during the March quarter, on balance there was no change in the cost of the typical basket of goods and services bought by households.

This caused the annual rate of price increase to fall from 1.8 per cent to 1.3 per cent – at a time when the Reserve had gone for more than three years assuring us it would soon be back in the Reserve’s target range of between 2 and 3 per cent.

So, quite a blow to the Reserve’s assurances that the economy was getting stronger, and a sign it should be thinking seriously about cutting rates to kick things along. (Prices tend to rise faster the faster the economy is growing so, paradoxically, very low inflation is a worrying sign.)

In which case, why has Lowe hesitated? Because, I suspect, he’s waiting for the third shoe to fall. Employment has been growing faster than you’d expect in a weak economy, so he may be waiting for signs it’s slowing, too.

And he’d want to be confident a cut in interest rates didn’t restart the housing boom in Sydney and Melbourne, which has left too many people with far too much debt.

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Strong economy? No, but maybe it will be eighth time lucky

Scott Morrison wants the Coalition re-elected because of its superior management of the economy. In Josh Frydenberg’s budget speech he referred to our “strong economy” 14 times. Why? He had to keep saying it because it ain’t true.

But get this: it’s not the government’s fault. It’s happening for reasons far beyond the government’s control. Growth is weak in Australia and throughout the developed world for deep reasons economists don’t yet fully understand.

It’s taken a while to realise this because the econocrats – mainly Treasury, but with the acquiescence of the Reserve Bank - either can’t or won’t accept its truth. They’ve gone for eight budgets in a row forecasting an early return to strong growth.

And for seven years in a row they’ve been way off. But so great is their certainty that nothing fundamental has changed, they’ve fronted up with yet another forecast that this year will be different. This year we'll reach lift-off.

It may not be entirely coincidental that, the longer Treasury dwells in the land of hope-springs-eternal, the more it gives its political masters the budget numbers they crave: ones showing the budget deficit soon returning to surplus and staying in surplus as the net debt falls to zero.

In what follows, I’ll ignore Treasury’s cute distinction between “forecasts” and “projections”. Sorry, guys, you’ve played that card too many times.

It’s a key part of the way you’ve misled the public, your political masters, economists and probably even yourselves, that everything’s going fine and will soon be back to normal. It’s part of the reason the net debt’s been allowed to double under this government – we kept being told it wasn’t happening.

When laughing-stock Wayne Swan began his 2012 budget speech promising four budget surpluses in a row, this was based on Treasury’s forecast that real gross domestic product would grow by 3.25 per cent in 2012-13, and then by 3 per cent in each of the three following years.

The 3.25 per cent turned out to be 2.6 per cent, then another 2.6 per cent, 2.3 per cent and 2.8 per cent.

After such an embarrassing stuff-up, you’d think Treasury might have had a rethink. Not a bit of it. Just two budgets later – this government’s first - it had the economy’s growth accelerating over the forward estimates not to 3 per cent, but 3.5 per cent. The first of these turned out to be 2.3 per cent and the next one, 2.8 per cent.

In the 2016 budget, Treasury took a bit of a pull and reverted to forecasting recoveries to no more than 3 per cent growth.

In this month’s budget, Treasury has us growing by only 2.25 per cent in the year just ending. But not to worry. In the coming year it will strengthen to 2.75 per cent, and be back to 3 per cent in the second last year of the forward estimates, where it will stay in 2022-23.

It’s a similar story with what’s become the key problem component of GDP, wages. In Swan’s ill-fated budget, the wage price index was forecast to grow by 3.75 per cent in the budget year and the year following. Turned out to be 2.9 per cent and 2.5 per cent.

The following year’s budget – Swan’s last – put expected wage growth in 2014-15 at 3.5 per cent. Turned out to be 2.3 per cent. Treasury’s first guess for 2017-18 was 3 per cent. Came in at 2.1 per cent.

Treasury’s response to its repeated over-forecasting is just to push the ETA of the return to strong growth out another year. Nothing fundamental in the economy has changed, nothing’s wrong with the forecasting method, it’s just taking a bit longer than we thought. This time we’ll be right.

But, you may object, if the economy’s remained so weak for so long, how come growth in employment has been strong since early 2017 and unemployment has slowly fallen to 5 per cent?

Because of high levels of immigration – high even by our standards, and unmatched by the other rich countries – and because the under-employment rate was worsening until recently.

Much of the jobs growth has come from federal government spending on rolling out the National Disability Insurance Scheme, and state government spending on infrastructure. After all, public sector consumption and investment spending accounted for more than half the surprisingly weak GDP growth of 2.3 per cent over calendar 2018.

Remember this: a strong, healthy economy is one where demand is always threatening to push inflation above the target zone. Our inflation rate's been below the target for three years.

And this amazing fact: the world real long-term interest rate has been falling for years and is now at zero or below. That’s a sign of strong growth?

It’s time Treasury and the Reserve stopped kidding themselves – and us.

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Budget does the right thing for the wrong reason

Set aside the politics, focus on the economy's immediate needs, and this is a good budget – though, with less politics and more economics, it could have been better.

Viewed through a political lens, this is the classic budget of a government that knows it has only a slim chance of winning the looming election but also knows it has little to lose by abandoning its stated policies and promising more government spending and yet more tax cuts.

Add an economic perspective, however, and it's a budget that does the right thing for the wrong reason.

The Coalition won office almost six years ago promising to make eliminating "Labor's debt and deficit" its highest priority.

It's taken all this time to get to the point of being able to budget for a surplus next financial year, during which time the debt has doubled.

The rules it set itself said there were to be no tax cuts until the surplus was much higher than the one it's expecting. Any unexpected improvement in tax collections should be "banked" not spent. Only by running the biggest surpluses possible could the debt be paid off quickly.

All that is now out the window. But, whatever the government's ulterior motive, that's a good thing.

Why? Because, despite the decade that's passed since the global financial crisis – and the Treasurer's repetition of the mantra "a stronger economy" – the economy is still surprisingly weak. A year ago, it looked like it might be moving into top gear, but since then we have seen it fall back to grinding along in second.

That being so, now is not the time to have the budget taking a lot more money out of the economy than it's putting back in.

Although employment has been growing more strongly than you would expect, the economy's growth has remained below-par. It's being held back mainly by weak consumer spending, which is weak mainly because wages aren't increasing much – a phenomenon both sides of politics prefer to call "cost of living pressures".

Treasurer Josh Frydenberg predicts that wages will grow by 2.75 per cent in the coming financial year and by 3.25 per cent the following year. That's likely to prove over-optimistic, as such forecasts have been throughout the Coalition's term.

The tax cuts he is promising are a poor substitute for a decent pay rise, but they will help consumers keep spending and turning the wheels of the economy.

People earning between $925 and $1730 a week will get a tax cut equivalent to about $20 a week, backdated to July last year. But it will come in the form of an annual tax refund cheque after submitting their return in a few months time, that is $1080 higher than otherwise.

People earning less that $925 a week, or more than $1730 a week, will get much lower refunds.

Likewise, the one-off cash grants to pensioners are a poor substitute for a lasting solution to the problems in the electricity market, but they're better than nothing.

And the planned big increase in the government's spending on infrastructure will also help.

One little-noticed reason for us to be less impatient to pay off government debt is that the interest rate on long-term government bonds has fallen below 2 per cent. That's less than the rate of inflation.

The problem with Frydenberg's tax cuts is that though he keeps saying (and the media dutifully keep repeating) they are aimed at "low and middle income-earners", in truth, most of the money will go to people whose incomes are way above the middle.

By far the most expensive change to last year's seven-year tax cut plan – the change that does most to double the cost of the cuts to a staggering $302 billion over 10 years – is the decision to cut the middle tax rate from 32.5¢ in every dollar to 30¢ from July 2024.

The consequent saving will range from zero for those earning less than $925 a week to $75 a week for those earning $3845 a week and above.

These top earners don't have a pressing problem with the cost of living and are likely to save rather than recirculate a lot of their tax cut.

Had Frydenberg done more to direct his generosity to the really hard-pressed – including the unemployed, living it up on $40 a day – it would all have gone straight to retailers, big and small.

But the size and shape of the tax cuts we'll end up with are far from decided. The bidding war between the parties isn't over.

When the government announced the first stage of its tax cuts last year, it took Labor two days to up the ante by 75 per cent. The Treasurer has now doubled the government's original offer. In two days' time we will hear if Bill Shorten intends to see Frydenberg – or raise him.

The difference between the two sides is that whereas the Coalition's tax cuts come at the expense of slower progress in paying off the debt, Labor's plans involve cutting tax breaks in a way that takes from high-saving, higher income-earners and gives to low-saving, lower income-earners.

With an election coming in six weeks, you choose.

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High immigration hiding the economy's long-running weakness

How’s our economy been doing in the five or six years since the Coalition returned to office? In the United States and other advanced economies there’s much talk of “secular stagnation”, but that doesn’t apply to us, surely?

After all, we’re now into our record-setting 28th year of continuous economic growth since the severe recession of the early 1990s. This means that, unlike the others, we escaped the Great Recession that followed the global financial crisis in 2008.

Recent years have seen employment growing strongly and the unemployment rate falling slowly to 5 per cent. And, of course, as Treasurer Josh Frydenberg never fails to remind us when we see the quarterly national accounts, our economy is among the fastest growing of all the rich economies.

So the talk of secular (meaning long-lasting, rather than worldly) stagnation can’t be our problem, can it? Don’t be so sure.

The argument that, since the global crisis, the developed world has fallen into a period of weak growth that looks likely to last quite a few years was first advanced by one of America’s leading economists, Professor Laurence Summers, of Harvard, a former secretary of the US Treasury in the Clinton administration.

He took the term from its earlier use during the Depression of the 1930s, using it to mean “a prolonged period in which satisfactory growth can only be achieved by unsustainable financial conditions”.

The Economist magazine explains that secular stagnation means “the chronically weak growth that comes from having too few investment opportunities to absorb available savings”.

Let me tell you about some comparisons of our performance by decade, calculated by independent economist Saul Eslake in a chapter he contributed to the book, The Wages Crisis in Australia.

In the first eight years of the present decade, consumer spending – which typically accounts for just under 60 per cent of gross domestic product – has been slower than in any decade in the past 60 years.

The major reason for this is that the present decade has seen household disposable income grow at an average real rate of just 2.2 per cent a year, which is less than in any of the previous five decades.

The biggest component of household income is income from wages. Its real growth in the present decade has been slower than in any of the five preceding decades.

So, as I may have mentioned once or twice before, weaker growth in wages seems to be at the heart of weaker consumer spending growth and growth in the economy overall.

But the growth in consumer spending would have been even slower had households not reduced the proportion of their income that they saved rather than spent by 4 percentage points – to its lowest level since before the financial crisis.

The slow growth in wages in the present decade has meant a decline in the share of national income going to wages, which (along with higher mineral commodity prices) has contributed to the higher share of income going to the profits of corporations.

This “gross operating surplus” (which, Eslake says, is roughly equivalent to the sharemarket’s EBITDA – earnings before interest, tax, depreciation and amortisation) has averaged 26.7 per cent of GDP since 2000 – which is 3.5 percentage points more than it did in the 1980s and 1990s.

But this isn’t as good for business as it sounds. Eslake points out that, “while the share of the national-income pie going to corporate profits has increased, the pie itself has been growing at a much slower rate – so much so that the growth rate of corporate profits [as measured by gross operating surplus] has thus far during the current decade been slower than in any decade since the 1970s”.

Since it’s the rate of growth that share investors and business managers focus on, this says even business profits haven’t been doing wonderfully.

Which brings us to the national accounts’ bottom line – growth in real GDP. It’s averaged 2.7 per cent a year so far in this decade, which is less than in any decade since the 1930s.

And get this. More than half the real GDP growth so far this decade is directly attributable to growth in the population. Growth in real GDP per person has averaged 1.1 per cent a year – equal to its performance during the 1930s, and slower that anything we’ve had in between.

Get it? Allow for population growth – so you’re focusing on whether economic growth is actually leaving us better off on average – and our weak growth since the financial crisis becomes even weaker.

If our economic performance seems better than the other advanced economies’, that’s just because our population is growing much faster than theirs.

The symptoms of secular stagnation that other rich countries complain of are: weak growth in consumption and business investment, slow improvement in productivity, only small increases in wages and prices, and interest rates that are low not just because inflation is low, but also because real interest rates are low.

(The long-running slide in real long-term interest rates around the world demonstrates The Economist’s point that, globally, we’re saving more than households, businesses and governments want to borrow.)

We tick all those boxes. Unsurprisingly in our ever-more-connected world, we too are locked into secular stagnation of a seriousness not seen since the 1930s. It’s just that our rapid population growth – plus the ups and downs of the resources boom – has hidden it from us.

I remind you of all this today because it’s highly relevant to Tuesday’s federal budget: what it should be aiming to do, and how we should judge what it does do.

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