Showing posts with label population. Show all posts
Showing posts with label population. Show all posts

Monday, October 23, 2023

Want better productivity? Cut population growth

A simple reading of orthodox economics tells you that the urge to maximise profits leads businesses to continuously improve the productivity of their activities. But, as former competition tzar Rod Sims has often reminded us, improving productivity is just one way to increase profits, and there are other ways to do it that are a lot easier.

One other way is to increase your share of the market by having a better product. Or better, coming up with a marketing campaign that merely cons people into believing your product is better.

Another way to increase market share is to undercut your competitors’ prices. But in oligopolies dominated by only a few big players, which many of our markets are, the threat of mutually damaging retaliation is so great that price wars are rare.

(This why the big four banks were so shocked and offended when the Macquarie group, a huge financial group with deep pockets and a small bank, decided recently to get itself a slice of the lucrative home loan market by offering below-market interest rates.)

Another way to increase profits is to take over a competitor. This may or may not increase profitability – percentage return on the share capital invested in the business – to the benefit of shareholders. But the managers of the now-bigger business will have to be paid commensurately higher wages and bonuses.

But the simplest, easiest way to increase profits? Sell into an ever-growing market. And how do you do that? Persuade the government to maintain a high rate of immigration. This is a mission on which big business has had great success in recent decades.

Polling shows the public does not approve of high immigration. With some justification, the punters tend to blame it for road congestion and rising housing costs.

But the Howard government and its Coalition successors did a roaring trade in keeping the punters’ disapproval focused on poor people who arrived uninvited on leaky boats, while they were quietly ushering in all the immigrants that business was demanding. These people arrived by plane, and so drew no media attention.

Is it mere coincidence that productivity improvement has been weak during the period in which immigration-driven population growth has been so strong? I doubt it, though of course, I’m not claiming this is the only factor contributing to weak productivity improvement.

While it makes self-interested, short-sighted sense for businesspeople to be so untiring in their clamour for ever more immigration, the strange thing is that the virtue of rapid population growth goes almost wholly unquestioned by the nation’s economists.

Population growth is an article of faith for almost every economist. For a profession that prides itself on being so “rational”, it’s surprising how little thinking economists do about the pros and cons of immigration. There’s little empirical evidence to support their unwavering commitment to high immigration, but they don’t need any evidence to keep believing what almost all of them have always believed.

Before we get to the narrowly economic arguments, let’s start with the bigger picture. The primary reason for doubting the sense of rapid population growth is the further damage every extra person does to the natural environment.

As the sustainable population advocates put it: too many people demanding too much of our natural environment.

Economists have gone from the beginning of their discipline assuming that the economy and the environment can be analysed in separate boxes. This further assumes that any adverse interaction between the two is so minor it can be safely ignored.

In an era of climate change and growing loss of species, this is clearly untenable. The economy and the natural environment that sustains it have to be joined up. But when it comes to population growth, these are dots the profession hasn’t yet joined.

Even on narrowly economic considerations, however, economists long ago stopped checking their calculations. It’s obvious that a bigger population means a bigger economy, and since economists are the salespersons of economic growth, what more do you need to know?

Well, you need to know that economic growth achieved merely through population growth leads to what the salespersons are promising the punters: a higher material standard of living. Simply, higher income per person.

If there is evidence higher population growth leads to higher income per person, I’ve yet to see it. I have seen a study by the Productivity Commission that couldn’t find any. And I have seen a study showing that the higher a country’s population growth, the lower its growth in gross domestic product per person.

But it doesn’t surprise me that the committed advocates of population growth don’t wave around any evidence they have to support their faith. What is well understood, though the advocates seem to have forgotten it, is that, whatever economic benefits immigration may or may not bring, it comes with inescapable economic costs.

Which are? That every extra person dilutes our existing per-person investment in business equipment and structures, housing stock and public infrastructure: schools, hospitals, police stations, roads and bridges, and much else.

In other words, every extra person requires us to spend many resources on preventing this population growth from diminishing our economic and social capital per head, and thereby making us worse off.

Economists call this “capital widening”, as opposed to “capital deepening”, which means providing the population with more capital equipment and infrastructure per person.

Trouble is, there’s a limit to how much the nation can save – or borrow from overseas – to finance our investment in housing, business equipment and structures, and public infrastructure. So resources we have to devote to capital widening, thanks to population growth, are resources we can’t devote to the capital deepening that would increase our standard of living.

Using immigration to raise our living standards is like trying to go up a down escalator. You have to run just to stop yourself going backwards. This is smart?

In practice, it’s worse than that. There’s a big government co-ordination problem. It’s the federal government that’s responsible for immigration levels, and that collects most of the taxes the immigrants pay, but it’s mainly the state governments that are lumbered with organising the extra housing and building the extra sewers, roads, transport, schools, hospitals and other facilities needed to avoid congestion and overcrowding.

Another thing to remember is that the easier you make it for businesses to get the skilled workers they need by bringing them in from abroad, the more you tempt them not to go to the expense and inconvenience of bothering with apprentices and trainees.

This is why so many businesses were caught short when, during the pandemic, their access to imported skilled labour was suddenly cut off. No wonder they were shouting to high heaven about the need to reopen their access to cheap labour. A lot of it was actually unskilled labour from overseas students, backpackers and others on temporary visas, who are easy to take advantage of.

Have you joined the dots? If giving business what it wants – high immigration to grow the market and provide ready access to skilled and unskilled workers – hasn’t induced business to increase the productivity of its labour, why don’t we try the opposite?

Make it harder for business to increase profits without improving productivity and investing in training our local workforce. Of course, this would require us to value productivity improvement more highly than population growth.

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Friday, October 13, 2023

Why our standard of living will be rising more slowly

You could call it gloom, or call it realism, but the likelihood is the economy will be growing more slowly from now on.

And we’re talking not just the next year or two – where the Reserve Bank’s rapid rise in interest rates means if we don’t go backwards, we’ll have been let off lightly – but the next maybe 40 years.

No one – not even economists – knows what the future holds, of course. But this long-term slowing is the considered guess of the secretary to the Treasury, Dr Steven Kennedy, who this week gave us his summation of the Treasury’s recent intergenerational report, which makes largely mechanical projections – not hard-and-fast forecasts – for the economy over the 40 years to 2063.

 Kennedy says the projections are “illustrative”. A key assumption on which they’re based, that present government policies don’t change, means the projections demonstrate “the longer-term implications of our current path”.

The report’s “aim is to avoid the risks projected … through ongoing improvement and reform of policy settings”.

Even so, I think we’re justified in concluding that the slower growth the report projects is more likely to eventuate than either unchanged or faster growth. That’s because so many of the factors likely to affect our future growth are beyond the government’s control.

The report projects that real gross domestic product – the nation’s total production of goods and services – having grown by an average of 3.1 per cent a year over the past 40 years, will slow to growth of 2.2 per cent a year over the coming 40 years.

How would this slowdown be explained? The Treasury’s standard way of analysing economic growth is to break it up into the three main drivers of growth – known as “the three Ps”: growth in the population, growth in the population’s participation in the labour force, and growth in the productivity of the workforce.

Notice how people-centred this way of chopping up economic growth is?

First. Population. Whereas our population grew at an average rate of 1.4 per cent a year over the past 40 years, it’s projected to grow by just 1.1 per cent over the coming 40.

These days, “natural increase” – births minus deaths – accounts for only about 40 per cent of the growth in our population, with “net overseas migration” accounting for the remaining 60 per cent.

The Treasury projects a further slow decline in our “fertility rate” – the number of births per woman – which has long been well below the 2.1 children “replacement rate” needed to hold the population steady over the years.

So we’ve long used high immigration to keep the population growing. Net migration fell sharply when we closed our borders during the pandemic. It has surged since the borders were reopened, but the Treasury expects it to fall back to 235,000 people a year once the surge has passed.

This level is what the Treasury projects for the rest of the years to 2063 – meaning that fixed number would fall as a percentage of the growing population. Even so, the population is expected to exceed 40 million in the early 2060s.

It’s just a projection, but I don’t have trouble believing immigration levels will decline rather than increase in the coming years. With all the rich countries – and China - having fertility rates well below the replacement rate, I can see far more competition for immigrants than there has been, especially since we only want skilled immigrants.

This expected slowdown in immigration means the overall size of the economy wouldn’t be growing as fast as it has been, but that doesn’t necessarily mean those of us who are already here will be worse off. That depends less on the economy’s overall growth and more in what’s happening to growth in GDP per person.

The report projects that, whereas real GDP per person grew by 1.8 per cent a year on average over the past 40 years, it will slow to 1.1 per cent a year over the coming 40.

Ahh. So, not just slower growth in the economy, but a much slower rate of improvement in our material standard of living. We’d still be getting more prosperous, but at a rate so small that it would be hard to notice.

And the problem must be coming from the other two Ps – participation and productivity improvement.

At present, the “participation rate” – the proportion of the working-age population that’s either in work or actively seeking it – is the highest it’s ever been, at 66.6 per cent, but the Treasury projects it will have fallen to 63.8 per cent by 2063.

Why? Because the proportion of the population aged 65 and over is projected to rise from 17 per cent to 23 per cent. So population ageing means more people will be too old to work.

But this will be countered to an unknown extent by more women of working age taking paid employment, and a healthier post-65 population choosing to keep working, even if only a few days a week.

However, most of the slowdown in GDP growth per person is explained by the expectation that the rate of improvement in the productivity of labour will be slower.

Whereas productivity improved at an average rate of 1.5 per cent a year over the past 30 years, it’s improved by only 1.2 per cent a year over the past 20 years – and that’s the rate the Treasury has projected over the coming 40 years.

There are plenty of reasons to expect productivity improvement will become harder to achieve. Just one is the greater share of GDP coming from the provision of labour-intensive services and the lesser share from the capital-intensive production of goods. It’s a lot easier to make machines more productive than do the same for people.

Finally, another reason for expecting population, participation and productivity to be weaker in coming decades is that various other rich countries’ experience is leading them to expect the same.

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Wednesday, October 4, 2023

We need economic growth to make us better off, right? Well, actually

For all our lives, worthies – our politicians, business people and economists – have assured us we need economic growth to make us better off. Almost everything I write assumes this to be true. But is it?

These days, there are more doubters than there used to be. Some people don’t believe that spending your life striving to own more stuff will make you happy. (Spoiler: they’re right.)

But a growing number of scientists tell us unending growth in the economy simply isn’t physically possible, and the more we keep growing the more we’ll damage the natural environment, to our great cost. Climate change is just the most glaring example of the damage we’re doing.

Historians remind us that our obsession with The Economy is relatively recent. It didn’t take hold until the middle of last century.

What we call “the economy” is all economic activity. It’s people getting up every morning, going out to earn a living, and then spending what they’ve earned. So it’s “getting and spending”, production and consumption. This is measured by gross domestic product – the value of all the goods and services produced during a period.

It was only when we started regularly measuring GDP in the mid-1950s that we began our obsession with whether it was growing and by how much. Or whether – God forfend – it was going backwards.

But these are just modern words and concepts. In truth, Australians have been preoccupied by what today we call economic growth since the day white people arrived. Their magic words were “settlement”, “progress” and “nation building”.

The recent arrivals saw a “new” nation where nothing had been done, but with huge potential for endless bush to be made to resemble the old country. They set about clearing the land, damming rivers, building houses, establishing farms and digging up minerals.

Why? To become more prosperous. They spurred themselves on with the belief they must “populate or perish” – be taken over by invading Asians.

So how do you achieve what we call economic growth? The easiest way is to grow the population. Have lots of kids and encourage (in those days, white-only) immigration. That gives you more people to work, but also more people needing to be fed, clothed, housed and entertained.

Bingo. A bigger economy. But while increasing the population makes the economy, GDP, bigger, it’s really only if the growth increases GDP per person that it can be claimed to make us better off, to have raised our material standard of living. And this doesn’t follow automatically.

The harder way to grow the economy is to increase the proportion of the population in paid employment, or to increase our investment in plant and equipment, and (well-chosen) public infrastructure. This does increase GDP per person.

But there’s another, more magical way to increase GDP per person. It’s to take the same quantity of resources – raw materials, labour and capital equipment – and use them to produce more output of goods and services than you did.

This is what people mean when they talk about increasing our “productivity”. It’s achieved, as economists keep repeating, by “working smarter, not working harder”.

How? By building a better educated and more skilled workforce, and by finding ways to make the organisation of factories and offices more efficient, but mainly by advances in technology that create better machines (and these days, computer programs) doing better tricks.

This is the bit scientists don’t get. When they hear the word “growth” they think of one thing: growth in humans’ exploitation of natural resources and all the damage we do to the environment in the process.

But that’s not what GDP measures. Economists know that most of the growth in GDP over the long term comes from increased productivity, not increased inputs of raw materials, labour and physical capital.

This means that, unless you believe there’s a limit to human ingenuity, it’s not true that continuing growth in GDP is impossible.

But when scientists say more clearly the kind of “growth” they’re referring to – growth in the use of natural resources and “ecosystem services” – it’s not possible to argue with the laws of physics.

While economists used to argue that the “limits to growth” weren’t as close at hand as some scientists had calculated, the possibility of the developing world enjoying the same profligate use of natural resources as the rich world is not credible. We expect the bottom 80 per cent to resign themselves to lives of relative poverty, while we in the top 20 per cent continue partying as though there’s no tomorrow.

So I accept that we and other rich countries will have to greatly constrain our use and abuse of the natural environment if the planet is to remain functional. A “circular economy” in which resources are so expensive that almost everything has to be repaired, reused and recycled? Sure.

But here’s the joke. It wouldn’t be the scientists who worked out how we could move to such an economy, it would be the economists.

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Wednesday, August 17, 2022

I foresee a world where workers gain the upper hand

Former NSW premier Neville Wran was the first politician – but far from the last – to say the election would be about “jobs, jobs, jobs”. That line captured perfectly one of the great economic certainties of our age: you can never, ever have enough jobs to go around.

That’s what most of us think, and the reason we think it is that it’s been true for the past 50 years. That’s how long it’s been since we had a rate of unemployment so low no one worried much about it.

But, as my colleague Jessica Irvine reminded us only yesterday, at 3.5 per cent, unemployment is at its lowest in almost 50 years.

To put it more positively, at more than 64 per cent, the proportion of the working-age population with a job is higher than it’s ever been. If you don’t find that gratifying news, there’s something wrong with you.

At present, we have a record number of unfilled job vacancies, about as many as we have unemployed workers. (Of course, not all the jobless have the right training – or live in the right part of the country – to fill those vacancies.)

Now, you can argue this happy outcome is just a temporary consequence of the pandemic. For two years, the official interest rate was almost zero, and governments – federal and state – were spending like wounded bulls.

So we had a huge increase in the demand for labour, but at a time when there was a two-year ban on imported workers. Little wonder employment grew strongly, vacancies shot up and employers complain incessantly about skill shortages.

You can also argue that, now our borders have reopened, our normal high inflow of foreign students, backpackers and skilled workers on temporary visas will resume, and the jobs market won’t stay nearly so tight.

Then you can argue that it only needs Reserve Bank governor Dr Philip Lowe to step too hard on the interest-rate brakes and we – as with many other developed economies – will be plunged into recession and rising unemployment.

You can argue all that. But I think these short-term factors are hiding deeper, longer-term trends that have brought us to a turning point. We’re going from never having enough jobs available for people to fill, to never having enough people available to fill all the jobs.

And here’s the bonus: if I’m right, we’ll be going from insecure jobs and stagnant wages to much higher wages and bosses falling over themselves to attract and retain the workers they need.

Business people are nothing if not opportunistic. When workers are plentiful, they pick and choose and make demands. But when workers are hard to find, they become wonderful people whose only concern is their workers’ welfare.

The first factor that’s working to turn the tables is the ageing of the population: more oldies leaving the workforce than youngsters joining it. Fertility has fallen below the replacement rate of 2.1 kids per woman.

For many years we’ve sought to slow population ageing by maintaining one of the advanced economies’ highest rates of immigration, with an emphasis on young, skilled workers.

Skilled immigration is also used to keep downward pressure on wage rates. With the pandemic receding, big business is desperate for high immigration to resume ASAP. And the Albanese government is likely to oblige.

But setting high immigration targets is one thing; attaining them is another. These days, migrants come mainly from developing countries. But all the other rich countries have an ageing problem, so we’ll be competing against them for takers.

China’s population is also ageing rapidly. Our intake of foreign students – some of whom are allowed to stay on – has been reduced by our falling out with China, but has always been a temporary play while Asia’s emerging economies get their universities going.

The final factor that will keep the demand for workers growing faster than the supply is the way the rich economies are becoming service economies, much of which represents the growth of the “care economy”.

Australia has already reached the point where 80 per cent of our production and 90 per cent of our employment is from the services sector. The thing about services is that they’re mainly delivered by people. As the Productivity Commission has noted, it’s much easier to use machines to replace people in farming, mining and manufacturing than it is in the services sector.

As people become old, they need more services – from doctors, nurses, paramedics and age care workers. All these people require education and training – by more services-sector workers.

Have you noticed all the stories lately about shortages of teachers, GPs, hospital workers and, before that, aged care and childcare workers? We’re going to get them all from overseas? I doubt it.

I noticed a tweet from an economics professor: “‘skill shortage’ = wages too low to attract workers”.

Get it? If we want all these people, we’ll have to pay them a lot more than we do now – and treat them a lot better.

Read more >>

Monday, July 5, 2021

Our aspirations for a Big Australia need a big trim

Almost all the nation’s business people, economists and politicians believe too much population growth is never enough. But if there’s one thing I hope to be remembered for, it’s that I always subjected this case of group think to critical examination.

I remain to be convinced that a Big Australia would be better either for our material living standards or for our efforts to limit the damage our economic activity is doing to our natural environment – the erosion of the nation’s “natural capital”.

But, in any case, Treasurer Josh Frydenberg’s intergenerational report last week is a useful warning that our aspirations for a Big Australia need a big trim.

The pandemic is an immediate setback to such ambitions, but beyond that is the likelihood that most countries’ population growth is slowing and, in many countries, will eventually begin falling.

One big message from the report is that population growth over the next 40 years is projected to be much slower than earlier thought, with its size now expected to reach 40 million in the first half of the 2060s, about eight years later than the 2015 report projected.

This is explained by the pandemic, which is expected to cause a temporary fall in the birth rate and four years of below-average net overseas migration (foreigners arriving minus locals leaving). Annual net migration is expected actually to fall in the financial year just ended and in the new financial year, then take two years to return to 235,000 in 2024-25, at which level it then stays every year through to 2060-61.

That is, no catch-up is expected for the growth lost because of the pandemic. The assumed annual net intake of 235,000 is based on unchanged existing federal government policy on permanent and temporary migration levels.

The report’s “sensitivity analysis” shows that, were net migration projected to grow in line with the growing population (at a rate of 0.82 per cent a year) rather than stay at a flat 235,000 a year, real gross domestic product per person would be only a fraction higher in 2060-61, the labour force would be 1 million bigger and the old-age dependency ratio would be 2.8 workers per oldie rather than 2.7.

But you have to doubt whether future governments will remain free to just dial up their preferred level of annual immigration the way they have been over the past 40 years.

If there’s one demographic lesson we should have learnt by now, it’s that as families become more prosperous over the generations, they choose to have fewer children. This has become possible because of effective contraception.

Add growing longevity and you see why a declining fertility rate (expected number of births per woman), not just the retirement of the Baby Boomer bulge, has left all the developed economies with an ageing population. And, thanks to its one-child policy, the world’s most populous economy, China, also has a (rapidly) ageing population.

Like all the other rich countries, our fertility rate has long been below the population replacement rate of 2.1 babies per woman. Unlike most of the others, however, we’ve kept our population growing strongly by ever-increasing immigration.

To date we’ve had no trouble attracting all the skilled (and unskilled) workers we need, mainly from poor countries. We’ve even been able to make a lot of them pay full freight for their Australian-quality education before we scooped them up.

But with population ageing and old-age dependency ratios becoming more acute around the rich world, global competition to attract skilled workers from developing countries may become more intense.

On the other side of the equation, the supply side, as the poor countries become more developed, their living standards rise and their fertility rates fall, there may be fewer skilled workers willing to emigrate to the rich countries.

Population growth is already slowing in most developed and developing countries. It’s already falling in Japan and some European countries. It will start falling in China this decade. Our population growth is also likely to slow, and the day may come when – horror of horrors – it starts to fall.

Slower growth in the population means slower growth in the size of the economy, of course. But I can’t see why this should be a worry.

It’s notable that, though the intergenerational report projects a consequent slowing in economic growth over the next 40 years, it expects this to have little effect on economic growth per person and thus on living standards.

Whereas real GDP growth is projected to slow from 3 per cent a year over the past 40 years to 2.6 per cent over the coming 40, annual growth in real GDP per person is projected to slow only marginally from 1.6 per cent to 1.5 per cent.

Even that small slowing seems to be explained not by lower population growth, but by a similar fall in the assumed rate of average annual productivity improvement.

Taken at face value, this is an admission by the report’s authors that faster population growth makes little or no contribution to the improvement of our material living standards. The immigrants may gain by moving to Australia, but the rest of us don’t gain from their coming.

However, the report’s fine print (aka its technical appendix) advises that its projections “do not capture the broader economic, social or environmental effects of migration, such as technology spillovers or congestion”.

But if those effects were thought to be significant, you’d expect the authors to have made the effort to model them. And, of course, the effects are likely to be both beneficial and detrimental.

Looking at the economic effects, the advocates of high immigration always point to the benefit of greater economies of scale, while brushing aside the costs of the increased housing, capital equipment and public infrastructure that a bigger population and workforce must be provided with to ensure the productivity of its labour doesn’t fall.

Indeed, it’s possible our high rate of population growth is a factor contributing to our weak rate of productivity improvement.

Similarly, it’s inconsistent for advocates of high immigration also to be advocates of Smaller Government. When you’re causing congestion by failing to spend enough on the extra public infrastructure needed, including more schools and hospitals – perhaps because you’re trying to please discredited American credit-rating agencies – you shouldn’t be surprised if economic growth is weaker.

The need for governments to spend more on a bigger population is complicated and compounded by the division of responsibilities between federal and state governments. The budgetary costs and benefits of immigration are not spread evenly between federal and state governments.

The feds pick up most of the tax that immigrants pay, while the states pick up most of the cost of the extra infrastructure and services needing to be provided (especially since immigrants are denied access to many federal benefits for the first four years).

This reveals a major distortion in the intergenerational report’s continual claim that higher immigration does wonders to improve the budget. The federal budget, yes. But state budgets, probably the reverse.

Finally, there are the environmental consequences of a bigger population that both the intergenerational report and most business people, economists and politicians refuse to come to grips with.

Jenny Goldie, president of Sustainable Population Australia, reminds us that the intergenerational report “fails to take into account the environmental costs of urban encroachment on natural bushland, threatening iconic species such as the koala [and biodiversity more generally], and adding to carbon emissions.

“It fails to address the social costs of crowding, housing unaffordability and longer waiting times that generally accompany population growth,” she concludes.

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Friday, July 2, 2021

Business lobbies use the productivity slump for rent-seeking

It’s encouraging to see the scepticism with which this week’s intergenerational report from Treasurer Josh Frydenberg has been greeted. Any attempt to peer 40 years into the economy’s future will prove close to the mark only by happy accident.

But it’s discouraging to see the way the usual suspects have seized on the report’s most glaring weakness to do no more than push their vested interests in the name of “reform”.

This fifth version of the five-yearly intergenerational report allows us to see how far astray the report’s earlier projections have been, even though we’re only halfway towards the first report’s picture of the economy in 2041.

In their projections of growth in the population, its authors have repeatedly overestimated the fertility rate (expected number of births per woman) and underestimated the growth in net overseas migration (foreigners arriving minus locals leaving).

They predicted that the retirement of the Baby Boomers would see a fall in the rate at which people of working age participate in the labour force, but this “participation rate” has recently been at record highs.

It would be nice to think that, since the object of all these projections has been to alert us to looming pressures on the budget – caused, in particular, by the ageing of the population – governments have responded accordingly, thus making the reports’ prophecies self-defeating. Nice, but not likely.

The pandemic, and the expected four years of weak net overseas migration in particular, is rightly blamed for our population “growing slower and ageing faster” than previously expected. And slower growth in the size of the population means slower growth in the size of the economy.

We’re told that, whereas real GDP grew at the average rate of 3 per cent a year over the past 40 years, it’s now projected to slow to an average rate of 2.6 per cent over the coming 40.

But the justification for our obsession with economic growth is our desire for faster improvement in our material standard of living. And here’s a point Frydenberg hasn’t highlighted: according to the report’s calculations, the projected marked slowing in the economy’s overall rate of growth is expected to affect growth in GDP per person – a crude measure of living standards - only a little.

GDP per person’s average annual growth is projected to fall only from 1.6 per cent over the past 40 years to 1.5 per cent over the coming 40.

It’s here, however, that business and its media cheer squad have read the fine print and are deeply sceptical: that projection of GDP growth per person rests heavily on the mere assumption that the productivity of labour (output of goods and services per hour worked) will improve at the same average annual rate in the coming 40 years as it did over the past 30 years.

And they’re right. Of all the many assumptions on which the report’s mechanical projections depend, this assumption is far the most critical. As Frydenberg rightly says, improving productivity is what explains almost all the improvement in our standard of living over the decades.

And the sceptics are right to doubt that productivity will improve over the next 40 years at anything like the rate of 1.5 per cent a year. For a start, that 30-year average includes the 1990s, a decade when productivity improved at a rate far higher than experienced before or since.

For another thing, productivity improvement in recent years has been much weaker than usual.

So, purely by omission, the latest intergenerational report reminds us of the second biggest threat to our living standards: a continuing slump in productivity. (The biggest threat is the world’s inadequate response to climate change – another thing the report omits to take into account.)

What’s discouraging, however, is the way the business lobby groups have used this inadvertent reminder to bang the same old self-serving drum. The productivity slump has been caused by this government and its predecessors’ failure to continue the economic reform program begun by Hawke, Keating and Howard, we’re assured.

And what reforms do they have in mind? A cut in the rate of company tax for big business and changes in the wage-fixing rules to make the labour market more flexible for employers.

This lobbying is objectionable on three grounds. First, it implies that productivity improvement depends on an unending stream of changes in government policies, which is absurd. The day “reform” stops, productivity stops.

Second, it shifts the blame for weak productivity improvement from the actions of the private sector – in whose farms, mines, factories, offices and shops productivity either gets better or worse – to the politicians in Canberra.

Third, it seeks to disguise blatant rent-seeking as economic “reform”. Productivity would improve if business owners and high income-earners paid less tax, leaving the punters to pay more, and if the balance of bargaining power between bosses and workers shifted further in favour of bosses.

What this self-serving bulldust ignores is that productivity improvement has slumped in all the rich countries, not just in Australia because our pollies are so defective.

Michael Brennan, chair of the Productivity Commission, says the world’s economists are still debating the causes of the productivity slowdown.

They’ve pointed to “mismeasurement issues, a shift towards lower productivity industries, population ageing, a slowdown in the pace of technological discovery, a slowdown in the pace of technological diffusion, a plateauing of improvements in human capital, reduced rates of firm entry and exit, increased concentration and market power, lower capital investment, a shift to intangible capital and the slowing growth in global trade”.

As Melinda Cilento of CEDA, the Committee for Economic Development of Australia, has noted, “research by federal Treasury . . . showed leading Australian firms were not keeping up with leading global firms on productivity”.

Treasury would be much better employed continuing to research the causes of our productivity slump than doing literally unbelievable projections of what’s unlikely to happen over the next 40 years.

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Wednesday, June 30, 2021

Sorry, I'm too old to believe an ageing population is a terrible thing

If ever there was an exercise that, since its inception, has overpromised and under-delivered, it’s the alleged Intergenerational Report. A report on relations between the generations, on the legacy the present generation is leaving for the coming generation?

No, not really. If it was, it would be mainly about the need for us and the other rich countries to be acting a lot more seriously and urgently to limit climate change. The document Treasurer Josh Frydenberg unveiled on Monday is our fifth five-yearly Intergenerational Report.

Initially, the report made no mention of climate change. These days, following the obvious criticism, it always includes a brief chapter on the topic, before moving on to matters considered more pertinent.

This year the chapter runs to nine of the report’s almost 200 pages, in which the seriousness of the problem is acknowledged, along with the assurance “but don’t worry, I’m on it”. On every admitted dimension of the issue, we’re assured that reports have been commissioned, committees established and the government is spending $100 million on this and $67 million on that.

Another issue of relevance to relations between the generations is the ever-declining rate of home ownership as the price of houses rises ever higher. Can the aggrandisement of one generation at the expense of following generations continue? And are we content to witness the trashing of the Great Australian Dream? I found no discussion of this.

The sad truth is the Intergenerational Report is a creation of the Charter of Budget Honesty Act so, despite its grandiose name, it’s really only interested in the future state of the federal budget and in attempting to predict the size of the budget balance in 40 years’ time.

According to Frydenberg, the latest report delivers “three key insights”. First, our population is growing slower and ageing faster than expected. Second, the economy’s growth will be slower than previously thought. Third, while the federal government’s debt is sustainable and low by international standards, the ageing of our population will put significant pressures on both government revenue and its spending.

Get it? The real concern of this report – and its four predecessors – is what the ageing of the population looks likely to do to the federal budget over the next four decades. It thus echoes a longstanding concern of all the rich countries that the retirement of the Baby Boomers will put huge pressure on their budgets.

When you read the document minus the spin successive treasurers always put on it, this year’s version tells us what all five reports have told us: compared with the Europeans and Americans, we don’t have much of a problem.

The report’s big news is that our decision to close our borders as part of our response to the pandemic means our annual level of net immigration – foreigners arriving minus locals leaving – isn’t expected to return to normal until 2024-25.

According to Frydenberg, this is the first report “where the size of the population has been revised down”. But this is misleading. It doesn’t mean our population will fall, only that it won’t keep growing as fast as it has been and was expected to continue doing.

We’re now expected to have four years of below-normal net immigration, with no subsequent catch up. So whereas the previous report projected that the population would reach almost 40 million by 2055, it’s now expected to be no more than 39 million in 2061.

Since almost all the nation’s business people, economists and politicians believe too much population growth is never enough, this news will worry them. It doesn’t worry me. And I suspect most Australians will regard it as good news, not bad.

Frydenberg argues it’s bad because, since immigrants tend to be younger than the average Aussie, it will cause the population to age faster than was expected. This is arithmetically correct, but Frydenberg has given us an exaggerated impression of its extent.

He tells us that, in 1982, there were 6.6 people of traditional working age for every person over 65. Today, the ratio is down to 4.1, and by 2061 it will have fallen to 2.7. Wow. And what did the previous report tell us it would be down to by 2055? 2.7. Oh, no significant change.

Even so, isn’t that a worry? Not when you remember what economics teaches: that the economy adjusts in response to changing circumstances.

As Jenny Goldie, president of Sustainable Population Australia, has explained to the Treasurer, “as the working-age population shrinks and the labour market tightens, fewer people will be unemployed, and employers will improve wages and salaries to attract job seekers.

“This will have the effect of drawing more people into the workforce who were not working, or keeping people who would otherwise have retired.” Employers will no longer be able to afford their prejudice against hiring older workers.

If your instincts tell you not to believe those trying to convince you that people now living longer than they used to is a real worry, your instincts are right.

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Monday, December 7, 2020

The secret sauce is missing from our recovery recipe

According to Reserve Bank deputy governor Dr Guy Debelle, a big lesson from the global financial crisis was “be careful of removing the stimulus too early”. Good point, and one that could yet bring Scott Morrison and his nascent economic recovery unstuck. But there’s something that’s even more likely to be his – and our – undoing.

Debelle was referring to the way the British and other Europeans, having borrowed heavily to bail out their banks and stimulate a recovery in the real economy, took fright at their mountain of debt and, before the recovery had got established, undercut it by slashing government spending. The consequences – contributing to more than a decade of weak growth - are hardly to be recommended.

The Yanks have been doing something similar this time round, with the Republican-controlled Senate agreeing to a huge initial stimulus package but, with the nation caught in a ferocious second round of the pandemic, having so far steadfastly refused a second package.

It almost seems a design flaw of conservative governments always to be tempted to pull the plug too early.

So premature withdrawal of stimulus is certainly a significant risk to the strength of our recovery. But I doubt it’s the biggest one. We should be giving much more thought than we have been to the sources of growth that will keep the economy heading onward and upward once the stimulus peters out.

The basic idea of managing the macro economy is that, when it’s flat, you use budgetary and interest-rate stimulus to give it a kick start, but then all the usual, natural drivers of growth take over.

Such as? We can talk about population growth, but it could well take more than a year or two to return to its accustomed annual rate of 1.5 per cent. And, in any case, it does far less to increase gross domestic product per person than it suits its promoters to admit.

We can talk about business investment spending but, though it does add to demand for goods and services, it’s essentially derived demand. That is, it doesn’t spring up spontaneously so much as grow in response to the growth in consumers’ demand for the goods and services businesses produce.

This being so, the government’s various tax incentives intended to get businesses investing in advance of the surge in consumer demand are unlikely to get far.

Up to 60 per cent of aggregate demand comes from household consumption. But the strong growth in consumer spending in the September quarter – with more to come this quarter – isn’t a sign that healthy growth in consumption has resumed. It’s just the semi-automatic rebound in spending following the lifting of the lockdown.

The leap in the household saving rate to a remarkable 18.9 per cent of disposable income is some combination of greater “precautionary” saving – “Who knows whether I’ll yet lose my job?” – and pent-up demand caused by the lockdown.

As things return to something reminiscent of normal, we can expect people to run down this excess saving to keep their spending returning to normal despite higher unemployment and widespread wage freezes.

But this is a once-only catch-up, spread over several quarters, not a return to on-going healthy real growth in consumer spending. For this, the occasional tax cut can help – though not by much if its prime beneficiaries are the top 20 per cent of income-earners, as scheduled for July 2024 – but there’s simply no substitute for healthy real growth in the dominant source household income: wages.

Real wage growth is the secret sauce missing from the hoped-for recovery. The Reserve Bank’s latest forecasts are for real wage growth of a mere 0.25 percentage points in each of calendar 2020, 2021 and 2022.

The econocrats don’t want to dampen spirits by admitting what they surely know: that without decent growth in real wages there’s little hope of a sustained recovery. Reserve governor Dr Philip Lowe’s recent remarks say we’re unlikely to see much growth in real wages until a rate of unemployment down to 4.5 per cent means employers must bid up wages in their competition to attract all the skilled labour they need.

This implies that, even if we were to achieve healthy rates of improvement in the productivity of labour – a big if – it’s no longer certain that organised labour retains the bargaining power to ensure ordinary households get their fair share of the spoils; that real wages still grow in line with productivity.

The government and its advisers ought to be grappling with the question of how we can get real wages up – but I doubt that’s what we’ll see this week when it reveals its plans for yet more “reform” of industrial relations.

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Wednesday, November 27, 2019

High immigration is changing the Aussie way of life

The nation’s economic elite – politicians of all colours, businesspeople and economists – long ago decided we need to grow our population as fast as we can. To them, their reasons for believing this are so blindingly obvious they don’t need to be discussed.

Unfortunately, however, it’s doubtful most ordinary Australians agree. A survey last year by researchers at the Australian National University found that more than 69 per cent of respondents felt we didn’t need more people, well up on a similar poll in 2010.

This may explain why Scott Morrison announced before this year’s election a big cut in our permanent migrant intake – while failing to mention that our booming temporary migrant intake wouldn’t be constrained.

He also foreshadowed measures to encourage more migrants to settle in regional cities. What he didn’t say is what he’d be doing differently this time, given the many times such efforts had failed in the past.

In between scandalising over the invading hordes of boat people, John Howard greatly increased the immigration intake after the turn of the century, and this has been continued by the later Labor and Coalition governments. “Net overseas migration” accounts for about 60 per cent of our population growth.

In 2000, the Australian Bureau of Statistics projected that our population wouldn’t reach 25.4 million until 2051. We got there this year. Our population is growing much faster than other developed countries’ are.

The growth in our economy has been so weak over the past year that they’ve had to stop saying it, but for years our politicians boasted about how much faster our economy was growing than the other economies.

What they invariably failed to mention was that most of our faster growth was explained by our faster-growing population, not our increasing prosperity. Over the year to June, for instance, real gross domestic product grew by (a pathetic) 1.4 per cent, whereas GDP per person actually fell by 0.2 per cent.

That’s telling us that, despite the growth in the economy, on average our material standard of living is stagnant. All that immigration isn’t making the rest of us any better off in monetary terms.

Of course, that’s just a crude average. You can be sure some people are better off as a result of all the migration. Our business people have always demanded high migration because of their confidence that a bigger market allows them to make bigger profits.

Economists, on the other hand, are supposed to believe in economic growth because it makes all of us better off. They’re not supposed to believe in growth for its own sake.

This week one of the few interest groups devoted to opposing high migration, Sustainable Population Australia, issued a discussion paper that’s worth discussing. It reminds us that many of the problems we complain about are symptoms of migration.

The biggest issue is infrastructure. We need additional public infrastructure – and private business equipment and structures, and housing – to accommodate the needs of every extra person (locally born as well as immigrant) if average living standards aren’t to fall.

Taking just public infrastructure – covering roads, public transport, hospitals, schools, electricity, water and sewage, policing, law and justice, parks and open space and much more – the discussion paper estimates that every extra person requires well over $100,000 of infrastructure spending.

When governments fail to keep up with this need – as they have been, despite a surge in spending lately – congestion on roads and public transport is just the most obvious disruption we suffer.

The International Monetary Fund’s latest report on our economy says we have “a notable infrastructure gap compared to other advanced economies”. Spending is “not keeping up with population and economic growth”. We have a forecast annual gap averaging about 0.35 per cent of GDP for basic infrastructure (roads, rail, water, ports) plus a smaller gap for social infrastructure (schools, hospitals, prisons).

One factor increasing the cost of infrastructure is that about two-thirds of migrants settle in the already crowded cities of Sydney and Melbourne – each of whose populations is projected to reach 10 million in the next 50 years, with Melbourne overtaking Sydney.

According to a Productivity Commission report, “growing populations will place pressure on already strained transport systems. Yet available choices for new investments are constrained by the increasingly limited availability of unutilised land”.

New developments such as Sydney’s WestConnex have required land reclamation, costly compensation arrangements, or otherwise more expensive alternatives such as tunnels. It’s reported to cost $515 million a kilometre, with Melbourne’s West Gate Tunnel costing $1.34 billion a kilometre.

Who pays for all this? We do – one way or another. “Funding will inevitably be borne by the Australian community either through user-pays fees or general taxation,” the commission says.

Combine our growing population with lower rainfall and increased evaporation from climate change and water will become a perennial problem and an ever-rising expense to householders and farmers alike.

The housing industry’s frequent failure to keep up with the demand for new homes adds to the price of housing. And the only way we’ll double the populations of Melbourne and Sydney is by moving to a lot more high-rise living.

High immigration is changing the Aussie way of life. Before long, only the rich will be able to afford a detached house with a backyard.
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Wednesday, August 7, 2019

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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Saturday, March 9, 2019

Forget what’s happening in the economy, just find a scary label

If you want the unvarnished truth, the economy’s rate of growth slowed surprisingly sharply in the second half of last year. If you prefer titillating silliness, we’ve entered a “per capita recession”.

The national accounts for the December quarter, issued by the Australian Bureau of Statistics this week, show real gross domestic product growing by only 0.2 per cent during the quarter, following growth of only 0.3 per cent in the September quarter.

That compares with growth in the first half of 2018 of 0.8 in the June quarter and 1.1 per cent in the March quarter. Six months ago, it looked like the economy was moving into top gear. Now we realise it was changing down.

You’d think that would be bad enough for those tireless in their search for bad news. But, no, they delved around in the fine print and discovered that real GDP per person actually fell by 0.2 per cent in the December quarter and by 0.2 per cent in the previous quarter.

So, that must mean we’re in a “GPD per capita recession”. Eureka! Much scarier. (And saying it in Latin rather than English makes it even more so.)

Making it more entertaining obscures the truth, of course, but you can’t have everything.

Speaking of truth, let me give you a tip: any “recession” that has to be qualified by an adjective ain’t the real deal.

The more excitable end of the economy-watchers – the financial markets and the media – is always looking for an excuse to shock mum by using the ultimate in economic bad language, the r-word. Over the years they’ve given us “technical” recessions, “manufacturing” recessions, “growth” recessions and now “per capita” recessions.

There is no science behind the notion that two successive quarters of “negative growth” – contraction – equal a God-given licence to use the r-word. It’s no more than a rule of thumb, whose one virtue is that it allows the over-excitable to shout Recession! within seconds of seeing a new set of figures, when they really should look and wait for more convincing information.

It’s no more than circumstantial evidence, when you can’t find the body or the murder weapon. No economist I know is comfortable with it as a way of judging whether we really are in recession.

What they know is that, as a test, it delivers too many false readings. Because it’s so arbitrary, it can tell you you’ve got a recession when you don’t, or tell you you don’t when you do.

The national accounts’ first stab at measuring the growth during a quarter is so rough and ready, and will be changed so many times before it stabilises, that two successive negative quarters can easily be revised out of existence.

The real world is too messy for such simple rules of thumb to be reliable.

Treasurer Josh Frydenberg tweeted that “in 2000 and 2006 the Howard government had consecutive quarters of negative GDP per capita growth, and Rudd and Gillard had five negative quarters”.

And all this while our record period of continuous economic growth – now up to 27 years – remained unbroken. See what I mean about false positives?

But even if you do use the successive-quarters test, you’re supposed to apply it to the whole economy, not just to the bit that happens to qualify.

That’s why Scott Morrison was justified in dismissing the “per capita recession” as “made-up statistics”. The figures may have been calculated by the bureau, but it didn’t say anything about recession. That notion was spread by the media.

The bureau calculates about eight different versions of GDP (page 21 of the release). The excitables ignored the six that didn’t show two successive minuses, and zeroed in on one of the two that did. It was a contrivance in search of a headline.

The various versions of GDP are calculated to answer different questions. GDP per person is not designed to tell us whether we’re in recession. It’s designed to show how much of the growth in the economy is coming just from population increase rather than rising prosperity.

Making it a useful indicator. For instance, Frydenberg boasted that “Australia continues to grow faster than all of the G7 nations except the United States”.

True, but GDP per person tells us why. It’s because our population’s growing so much faster than theirs. (Of course, if you’re looking for a job, the growth caused by a higher population should make it easier.)

Admittedly, GDP per person is often used as a measure of what’s happening to the standard of living. But it’s a terribly crude measure. Which is why economists agree that one of the other measures, “real net national disposable income per person”, is the best you’ll get just by modifying GDP itself.

Trouble is, it shows the income of households growing by 0.8 per cent in December and by 2.1 per cent over the year. Wouldn’t get a headline out of that.

Time for a reality check: why is it that the r-word strikes fear into the minds of ordinary people? Because they know that genuine recessions involve falling employment and rapidly rising unemployment. Businesses fail, people lose their jobs, and the rest of us fear we’ll be next.

Any sign of that happening? No. The reverse, in fact. Using the bureau’s “trend” (smoothed) figures, over the six months to December, employment increased by 175,000, with 87 per cent of the extra jobs being full-time, and the proportion of people aged 15 and over with jobs at a record 62.4 per cent.

The unemployment rate fell by 0.3 percentage points to 5.1 per cent and the under-employment rate fell 0.2 points 8.7 per cent.

That’s how terrible a per capita recession is.
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Saturday, December 1, 2018

Why more expressways don't fix traffic jams

When Marion Terrill, of the Grattan Institute, set out to find out how much commuting times had worsened in Sydney and Melbourne, she discovered something you’ll find very hard to believe. But it would come as no surprise to transport economists around the world.

Everyone is sure traffic congestion has got much worse in recent years. This is only to be expected since Sydney’s population grew at the annual rate of 1.9 per cent, and Melbourne’s rate grew even faster, at 2.3 per cent, between the censuses of 2011 and 2016.

Both cities have grown much faster than the Australian population overall. People are crowding into our big cities, much to the disapproval of many people already living there.

Why are they piling into already-crowded cities? For reasons economic geographers call “economies of agglomeration”. One way for countries to get richer is for their businesses to pursue economies of scale; another way is for businesses and their workers to pursue the gains from agglomeration – a fancy word for piling things together.

There are three kinds of agglomeration economies. They come from matching (in a big city, people are more likely to find a job, while businesses are more likely to find the particular workers they need; there can be greater specialisation), sharing (less idle capacity in, say, car parks, or waiting around for customers), and learning (more workers for you to see and imitate; knowledge and know-how shared face-to-face).

Sharing, matching and learning can occur in two ways. When a lot of firms in the same industry gather in the same city, or just because a lot of people and firms are located together, making the city large enough to justify, for instance, heart and lung transplant centres.

Of course, along with the great benefits of crowding together go the costs of crowding together - such as feeling terribly crowded.

There are more people per square kilometre living in the centres of our big cities than there were five years ago. Sydney’s population density has increased by 23 per cent – and Melbourne’s by a mere 46 per cent.

And surely more crowding means more traffic congestion. But this is where Terrill and the co-author of her report, Hugh Batrouney, found their first strange fact. Between the last three censuses, from 2006 to 2016, there’s been virtually no change in the distance between where people live and where they work, measured as the crow flies.

Next surprise came from the HILDA survey – household income and labour dynamics in Australia – which, among other things, asks people how long they spend commuting.

In the four surveys between 2004 and 2016, for both Sydney and Melbourne there was no change in the fact that a quarter of workers had one-way commutes lasting no longer than 15 minutes. One half of workers had commutes no longer than 30 minutes.

When you take it up to the experience of three-quarters of workers, there was some increase over the years in Sydney, but only a small increase in Melbourne. Other figures, from Transport for Victoria, tell a similar story.

So, we all think the increasing traffic volume is leading to greater delay and, hence, longer commute times, but the best available actual measures of commute times say they’re little changed.

Find that hard to believe? Well, as I say, few transport economists would. Why not? Because it fits well with what they call “Marchetti’s constant”. Marchetti was an Italian physicist credited with discovering the empirical truth that the average time spent by a person on commuting is about an hour a day – 30 minutes each way.

The amazing truth of this “constant” has been shown by many studies of many cities around the world.

And it fits with another empirical regularity known as the “Lewis-Mogridge position”, formulated by those gents in 1990: “traffic expands to meet the available road space”.

The government notices that traffic is particularly congested on a certain road, so it builds a big new expressway. When it opens, the time taken to get from A to B falls dramatically. But when people realise this, more of them stop travelling to work by public transport and start going by car.

So many people do this that the speed gain disappears within months, even weeks. The time taken to get from A to B goes back to about what it was before the expressway was built.


The only change is that a higher proportion of workers are able to go by car. The traffic jam is often just shifted to another place on the road network.

Getting back to road congestion in Sydney and Melbourne, how can the gap between what we think has happened and what actually happened be explained?

One possible part of the explanation is that although the traffic really is heavier, making trips less pleasant, this doesn’t prolong the time of the trip as much as we think it has.

But the main explanation – both in Oz and in other countries – is that commuters adapt to the greater congestion.

They take evasive action by moving to a job that’s closer to home, or moving to a home that’s closer to the job. Or they stop going by car and start using public transport.

One thing that really has changed with our bigger cities is more crowded trains and buses.

It’s as though each of us has our own internal, unconscious regulator that draws the line at 30 minutes and, when that limit is exceeded, prompts us to take steps to get travel times back down to where they should be.

Terrill and Batrouney are clear on this: in neither city was enough new infrastructure built between 2011 and 2016 to explain why the huge population growth didn’t lengthen commute times.

The government didn’t fix it, you and I did. Which says we ought to be wary of thinking the obvious – and only - solution to greater crowding is greater spending on transport infrastructure.
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Wednesday, November 21, 2018

Why Morrison has changed his tune on immigration

Wow. And you thought the punters had no political power. Scott Morrison’s change of tune on population growth – following on the heels of NSW Premier Gladys Berejiklian – will please a lot of ordinary voters and enrage big business.

Be clear on this: almost to a man or woman, the nation’s business people, economists, Coalition politicians and Labor politicians have long believed in high rates of immigration, going back to the days of “populate or perish”.

They still do. They’ll have one dismissive, contemptuous word for the Liberal Party’s seeming backflip – “populism”.

By contrast, the public has long had reservations about immigration, going back to Chinese joining the gold rush and, as the movie Ladies in Black reminds us, to post-war resentment of “reffos” (not to mention dagoes and wogs).

It’s quite possible Gladys had a word in the ear of Scott, but I have no doubt both are reacting to results from their party’s private polling and focus groups. (If so, Labor politicians would be getting a similar message.)

That would explain their changed thinking on the topic. Their sudden sensitivity to popular opinion may be explained also by the proximity of elections in Victoria, NSW and federally.

Morrison is nothing if not direct. He’s left no doubt that this is a Sydney and Melbourne special. In the reduction in the size of the annual national permanent migration program he says he expects to emerge from the review, NSW and Victoria may wish to have fewer migrants, while other states may wish to have more.

Whether such picking-and-choosing is practically possible will be a matter for the experts to debate. Sydney and Melbourne are natural entry points of migrants. They have more jobs going, and immigrants are more likely to have relatives, friends and communities already established there. The two big cities’ businesses are likely to want to sponsor more skilled workers.

Before we leave elections, a cautionary tale from the 2010 federal election. Early that year, Kevin Rudd brought forward the next Intergenerational Report, showing the population was projected to reach 36 million by 2050. Rudd proudly proclaimed himself a Big Australia man – which, among other benefits, would give Australia (and him) more clout at international forums.

Then came the backlash. By the time of the election in July, both Julia Gillard and Tony Abbott were loudly proclaiming their opposition to Big Australia.

But here’s the point: after Gillard’s election in 2010 and Abbott’s in 2013, nothing was heard again about the evils of Big Australia. Immigration continued on its merry way.

If the public has always had reservations about immigration, what’s brought matters to a head?

Again, Morrison is direct. Though population growth has played a key role in our economic success, he says, “I also know that Australians in our biggest cities are concerned about population. They are saying: enough, enough, enough.

“The roads are clogged, the buses and trains are full. The schools are taking no more enrolments. I hear what you are saying. I hear you loud and clear.”

So, in a word, resentment over congestion has brought simmering disapproval to a rolling boil.
But I suspect there’s a further factor.

Because the establishment’s enthusiasm for high immigration has always been at odds with the public’s instincts, there was for many years a tacit agreement between both sides of politics not to wake up the question of immigration.

Want to know why this nation of immigrants has never had a formally established population policy? That’s why. (I know because once, during the Fraser government’s time, I wrote in my naivety that we needed a great big debate about immigration and population. The immigration minister immediately slapped me down, almost accusing me of racism.)

That bipartisanship has broken down as politicians realised there were cheap votes to be had by echoing the public’s objection to “too many Asians”. When asylum seekers started arriving by boat, it was on for young and old between the parties.

John Howard allowed very high levels of immigration during his almost 12 years in office – the population was growing by 2 per cent a year at the end of his reign – but the public’s disapproval never boiled over.

Why not? Perhaps because traffic congestion wasn’t as bad as it is today. But my theory is that, while coping with the genuine problem of boat people, Howard also used them to draw the public’s attention away from high levels of conventional immigration. Sometimes you even hear political candidates claiming its boat people who are clogging the roads.

But now there are no boat people arriving – not, we belatedly discover, because none are setting out, but because of our navy’s success in turning them back – this diversionary tactic is no longer available. The voters’ ire turns back to ordinary immigrants.

But what of the much-touted economic benefits of immigration? Business people want a bigger population because having more people to sell to is the easiest way to increase their profits. But that doesn’t necessarily leave you and me better off.

The traditional fear that immigrants take our jobs is wrong – they add about as much to the demand for labour as to its supply.

Immigration does slow down the ageing of our population, but most of the other efforts to show how much benefit it brings the rest of us rest on economic modelling exercises using convenient assumptions. I hae ma doots.
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Saturday, August 11, 2018

Immigration is sharply slowing the ageing of our population

Reserve Bank governor Dr Philip Lowe thinks Australia’s strong population growth in recent years is a wonderful thing, and he sings its praises in a speech this week.

I’m not sure he’s right. Like most economists and business people, Lowe is a lot more conscious of the economic benefits of population growth than the economic costs. As for the social and environmental costs, they’re for someone else to worry about.

But whatever your views, you’ll be heaps better informed after you’ve seen what he says about our changing “population dynamics” and absorbed his tutorial on demography.

Over the past decade, our population has grown at an average rate of about 1.6 per cent a year. This is faster than in previous decades. It’s also faster than every advanced economy bar Singapore.

Most other rich countries – including the US and Britain – grew by well under 1 per cent a year over the period. The populations of Italy, Russia and Germany were stagnant, and fell in Japan and Greece. China’s annual growth averaged only 0.5 per cent.

What’s driving our growth is increased immigration, of course. Over recent times, net overseas migration has added about 1 per cent a year to the population, with “natural increase” (births minus deaths) adding only about 0.7 per cent.

Our rate of natural increase is pretty steady. It perked up a bit a decade ago, but quickly resumed its slow decline, as more couples have smaller families and some have none.

Net migration, by contrast, goes through a lot of peaks and troughs – which, not by chance, correlate well with the ups and downs of the business cycle.

We think of the government controlling immigration with a big lever (making it “exogenous” or coming from outside the system, as economists say, pinching the word from medicos) but many demographers see immigration as “endogenous” or determined within the system.

This has become truer as permanent migration becomes dominated by workers with skills we need, rather than by family reunion, and there’s more temporary migration by overseas students and skilled workers brought in by employers to fill a temporary shortage.

The resources boom showed temporary skilled migration was great at helping us control (wage-driven) inflation, one of Lowe’s primary concerns as boss of the central bank.

But I worry our young people are paying the price for this greater macro-economic flexibility. We’re schooling our employers not to bother training plenty of apprentices ready for the next shortage because it’s easier to wait until the shortage emerges and then pull in a tradesperson or three from overseas.

Sorry, back to Lowe’s speech. He notes that growth in the number of people here on temporary visas adds to the size of our population. For instance, there are now more than half a million overseas students studying in Australia.

Here’s a stat you probably didn’t know: about a sixth of foreign students are permitted to stay and work here after finishing their studies. This boosts our population. Always a man to look on the bright side, Lowe reminds us it also boosts the nation’s “human capital”.

Plus, he’s too polite to say, it does so free of charge. It’s a neat trick: we charge foreign parents in developing countries full freight to educate their children, then allow the best of 'em to stay on.

But wait, there’s more: we also benefit from our stronger overseas connections when foreign students return home, Lowe says.

Now for his big reveal. Particularly because of our emphasis on skilled workers and students (as opposed to bringing out nonna and nonno), the median age of new migrants is between 20 and 25, more that 10 years younger than the median age of the rest of us.

At the time of Treasury’s first intergenerational report in 2002, our present median age of 37 was expected to rise rapidly to more than 45 by 2040. But after the past decade of increased immigration of young people, the latest estimate is that the median age will be only about 40 by then.

“This is a big change in a relatively short period of time, and reminds us that demographic trends are not set in stone,” Lowe says.

This means that, on the question of population ageing, and looking at the latest projections over the next quarter of a century, we compare well with other advanced economies, he says.

First, our median age of 37 makes Australia one of the youngest countries. We are ageing more slowly than most of the others, meaning we’re projected to stay relatively young. This is better than earlier projections suggesting we’d move to the middle of the pack.

Second, we have a higher fertility rate than most rich countries. Australians tend to have larger families than those in many other countries. (Note, not large, but larger than the others.)

Third, our average life expectancy is at the higher end of the range, and is expected to keep rising.

Fourth, our old-age dependency ratio – people 65 and older, compared to people of working age, 15 to 64 – is rising, but less quickly than in most other countries.

And our relative youth and higher fertility rate means our dependency ratio is expect to stay lower than other countries’ for the next 25 years or so. Only then is it projected to rise rapidly.

The first intergenerational report expected that the disproportionate bulge of baby boomers reaching normal retirement age would lead to a steady decline in the proportion of people participating in the labour force.

It hasn’t happened. The reverse, in fact – for fascinating reasons I’ll save for another day.

To economists, this slower rate of population ageing – that is, slower rise in the old-age dependency ratio – is great news. It means the economy’s growth in coming years won’t slow as much as they were expecting (see point above about the participation rate).

It also means ageing will put less pressure on future federal and state budgets. But let me give you a tip: there are so many other pressures we probably won’t notice its absence.
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Monday, September 11, 2017

Sorry, but using migration to boost growth ain’t smart

Ask an economist where the growth in the economy will be coming from and it's surprising how often they fail to give the most obvious answer: from growth in the population.

Why don't they? Partly because it's an admission of failure: more people, bigger economy. Wow, that must have been hard to engineer.

Economists aren't supposed to believe in growth for its own sake. Their sales pitch is that economic growth is good because it raises our material standard of living.

But this is true only if the economy grows faster than the population, producing an increase in income per person (and even this ignores the extent to which some people's incomes grow a lot faster than others).

This simple truth is obscured by economists' practice of measuring growth in the economy without allowing for population growth.

Take the national accounts we got for the June quarter last week. We were told the economy grew by 0.8 per cent during the quarter and by 1.8 per cent over the year to June.

Allow for population growth, however, and that drops to 0.4 per cent and a mere 0.2 per cent. So, improvement in living standards over the past financial year was negligible.

Over the past 10 years, more than two-thirds of the growth in real gross domestic product of 28 per cent was accounted for by population growth, with real growth per person of just 9 per cent.

It's a small fact to bear in mind when we compare our economic growth rate with other developed countries'.

We usually do well in that comparison, but rarely admit to ourselves that our population growth is a lot higher than almost all the others.

Our population grew by 1.6 per cent in 2016, and by the same average rate over the five years to June 2016. This was slower than the annual rate of 1.8 per cent over the previous five years, but well up on the 20-year average rate of 1.4 per cent.

So in the past decade we've been relying more heavily on population growth – read, increased immigration – to bolster economic growth and make the improvement in our material prosperity seem greater than it is.

By now, much less than half our population growth comes from natural increase (births minus deaths) and much more than half from "net overseas migration" (immigration minus emigration).

Meaning, of course, that the even-faster rate of population growth over the past decade has been a conscious act of policy.

Almost all our business people, politicians and economists support rapid population growth through high migration. With that much conventional wisdom behind it, who needs evidence?

It's certainly rational for business people to support high migration. Their concern is to maximise their own living standards, not those of the rest of us, and what easier way to increase your sales and profits and salary package than to sell in a market that keeps expanding?

But I oppose "bizonomics" – the doctrine that the economy should be run primarily for the benefit of business, rather than the people who live and work in it – and the older I get the more sceptical I get about the easy assumption that population growth is good for all of us.

For a start, I don't trust economists enough to accept their airy dismissal of environmentalists' worries that we may have exceeded our fragile ecosystem's "carrying capacity".

But even before you get to such minor matters as stuffing up our corner of the planet, there are narrowly economic reasons for doubting the happy assumption that a more populous economy is better for everyone.

The big one is that the more we add to the population, the more we have to divert our accumulation of scarce physical capital – housing, business equipment and public infrastructure of roads, public transport, schools, hospitals and 100 other things – from "capital deepening", so as to improve our productivity, to "capital widening", so as to stop our productivity per person actually worsening.

The feds decide how much immigration we get, but it's the hard-pressed states that have to keep increasing their infrastructure spending to keep up with the needs of their ever-expanding populations.

But the states allow discredited American credit-rating agencies to limit how much they can borrow. And then there's the glaring inconsistency between believing in rapid population growth and the smaller-government brigade's eternal struggle to stop tax increases and limit government borrowing.

Is it any wonder the long-suffering denizens of our chronically under-serviced outer suburbs end up diverting so much of their dissatisfaction onto immigrants who arrive uninvited by boat? Sometimes I wonder if that's by design, too.
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Saturday, November 28, 2015

GDP slows as population slows

When is slower economic growth not such a bad thing? When it's caused by lower growth in the population.

If that puzzles you, you're a victim of the economists' practice of focusing on growth in gross domestic product rather than GDP per person.

Nigel Ray, a deputy secretary of Treasury, acknowledged in a speech to the Australian Business Economists this week that last financial year, 2014-15, the economy recorded its third straight year of below-trend growth.

"This means Australia is now in a prolonged period of below-par growth, the likes of which we have rarely seen outside of a recession," he said.

We'll be seeing the national accounts for the September quarter on Wednesday, but they're unlikely to show much improvement.

Reserve Bank heavies have been hinting at it for months, but this week Ray made it official: the economy's trend rate of growth is actually lower than the econocrats had been assuming in recent years.

But what exactly is "trend" growth? Good question because there are actually two versions of it (or three if you include the Bureau of Statistics' practice of referring to its smoothed seasonally adjusted estimates as "trend" estimates).

The backward-looking version of trend is the economy's average actual rate of growth over past 10 years or more. Since 1976-77, for instance, real GDP has grown at an average rate of 3.1 per cent a year.

If nothing in the economy ever changed, the backward-looking version of trend would be the same as the forward-looking version, but things do change.

The future trend rate of growth is also known as the economy's "potential" rate of growth, the maximum rate at which it can grow over the medium-term – periods of five or 10 years or so – without causing a big problem with inflation.

The economy's potential rate of growth is the rate at which its ability to produce goods and services is growing.

This, therefore, refers to the supply side of the economy. The supply side involves combining the economy's three "factors of production" – land, labour and capital – to produce goods and services.

Here, "land" includes natural resources and "capital" means man-made, physical capital, such as buildings and equipment, but also roads and other public infrastructure.

But the economists' custom is to view the economy's supply side – its capacity to produce goods and services – through the perspective of just one factor, labour.

So the economy's potential output is seen as being determined by "the three Ps": population, participation and productivity. Potential growth in production is determine by growth in the population of working age (everyone 15 and over) plus change in the rate at which people of working age choose to participate in the labour force by working or seeking work, plus growth in the productivity of labour (average output per hour worked).

Of course, the economy's potential to supply goods and services is only half the story. How much is actually produced in any period will be determined by the demand for goods and services at the time.

Demand can't exceed supply (when it tries, the excess demand that can't be satisfied from imports just forces prices up), but it can fall short of potential supply. When it does, labour is unemployed or underemployed (people not working as many hours as they want to) and factories and offices have idle capacity.

That's the position we've been in for the past three years: the growth in our demand for goods and services has been falling short of the growth in our potential to supply them. So when the econocrats say growth has been "below trend", that's what they mean.

And every year that actual output falls short of our potential output we get a widening in what economists call "the output gap", which will be manifest in rising unemployment or underemployment as well as unused production capacity in factories and offices.

Whereas we usually think of potential output as an annual rate of growth, the output gap is measured as the difference between the absolute levels of potential and actual output.

The size of the output gap is an indicator of the failure of the managers of the macro economy to achieve their goal of keeping its actual growth in line with its potential growth – that is, to keep it growing at full capacity or "full employment" (of all the factors of production, not just labour).

The continued existence of the business cycle means they can never achieve this goal, of course, but it's still their job to try.

The size of the output gap is also a measure of the extent to which a recovering economy can for a few years grow faster than its trend (potential) rate without that causing any inflation problem. A period of above-trend growth is actually the only way to eliminate the output gap and get the economy back to growing at its full-employment rate.

For some years the econocrats' estimate has been that the economy's potential or (forward-looking) trend rate of growth is 3 per cent a year, compared with its actual growth over the year to June of 2.3 per cent.

Ray said this includes an assumption that the working-age population grows by 1.75 per cent a year, its actual rate over the past 10 years. But now actual growth has slowed to 1.5 per cent because of a decline in holders of temporary visas and lower net migration from New Zealand.

So Treasury has cut its estimate of trend (potential) growth to 2.75 per cent, thereby reducing its estimate of the size of the output gap.

Why is this not such a bad thing? Because, although the growth in workers helping to produce goods and services is likely to be lower than we thought, there'll also be fewer people we have to share those goods and services with. GDP per person shouldn't be much affected.
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Monday, August 17, 2015

Shift to services is boosting exports and jobs

For economy watchers, the most fascinating game in town is the continuing effort to explain why employment and unemployment are performing better than you'd expect while growth in the economy has been so modest.

Despite the Bureau of Statistics' latest national accounts showing that real gross domestic product grew by just 2.3 per cent over the year to March, its smoothed seasonally adjusted labour force figures show employment growing by 2.1 per cent – or 240,000 jobs – over the year to July, with the rate of unemployment seeming to have stabilised at about 6 per cent.

So far in the Reserve Bank's efforts to explain this puzzle, we've heard that it's probably a consequence of slower than expected population growth, helped by surprisingly weak growth in wage rates.

But now an assistant governor of the Reserve Bank, Dr Christopher Kent, has used a speech to the Economic Society in Brisbane to add a third factor: the employment consequences of the economy's accelerated shift from goods to services.

Recent figures show that total population growth has slowed from 1.8 per cent in 2012 to 1.4 per cent in 2014. This slowdown is mainly the result of a decline in the rate of net immigration as skilled workers on temporary 457 visas attracted by the resources boom leave for home when their jobs end, and Kiwi workers go home or stay home.

Slower population growth means slower growth in demand but, equally, slower growth in the population of working age and thus in the economy's supply-side potential or "trend" rate of growth.

This has prompted the Reserve to lower its growth forecasts for 2016 a fraction but eliminate its earlier forecast of rising unemployment, leaving it little changed over the next 18 months.

Since the working population hasn't grown as fast as had been expected, this implies the improvement in the productivity of labour has been a fraction greater than first thought.

Last week's figures from the bureau show wage rates rising just 2.3 per cent over the year to June. Wage growth has slowed to a similar extent as happened in the recession of the early 1990s, even though unemployment has risen by much less than it did then.

Kent says wages may have become more flexible over time and there may have been some general decline in the bargaining power of labour.

Whatever, "low wage growth across the economy has enabled firms to employ more labour than would otherwise have been the case".

But Kent says his sense is that "low wage growth only goes some way to explaining the recent pick-up in labour demand".

Now the likely role of a change in the composition of economic activity. Consumer spending, home building and net exports of services (that is, exports of services minus imports of services) have grown reasonably strongly over the past year, even though overall GDP growth has slowed a fraction.

Surveys suggest that business conditions for firms providing services to households have improved greatly since mid-2013. Conditions for firms providing services to businesses are above average. But those for firms producing or distributing goods remain below average.

These survey results line up reasonably well with employment growth in the three sectors. They also fit with the continuing weakness in business investment spending.

Kent's figuring shows, on average, each worker in the household services sector requires the backing of only about $100,000 worth of capital equipment, whereas each worker in the goods sector (including mining) requires capital equipment of almost $400,000.

Get it? If the fastest-growing parts of the economy are labour-intensive, they can grow and create more jobs without this requiring the same degree of increase in business investment spending and, hence, the same degree of overall growth in the economy.

This compositional change in demand from goods to services – from capital-intensive to labour-intensive industries – is a long-term trend.

But Kent argues there is also a cyclical element to it, as mining investment unwinds and growth in housing construction and consumption – which is increasingly dominated by services – picks up.

Another part of it is that the fall in the dollar has encouraged Australians and foreigners to direct more of their spending to Australian tourism, education and business services.

Over the past three years, the extra workers employed in service industries have outnumbered the extra workers employed in the goods sector by five to one.

It adds up to two things. With slower population growth, we can grow more slowly without being worse off materially. And we don't need to grow as fast to get unemployment falling.
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