Labour isn't inanimate. We're human.

When Dr Martin Parkinson gave a speech urging a renewed effort to lift the productivity of labour, the subeditors at the ABC knew just what he meant: Treasury secretary says we should work harder. Whoops.

That ain't what he meant. As the old slogan says, improving labour productivity involves "working smarter, not harder". Indeed, increasing productivity requires producing more from the same inputs. So increasing output by increasing labour inputs clearly doesn't do the trick.

The standard way to raise the productivity of labour is to supply workers with more and better machines to work with. But Parkinson is talking about something more demanding, more reforming than this. He wants a renewed round of microeconomic reform.

He's right in saying the rate of improvement in labour productivity has "slowed sharply" since the start of the new century. He argues only part of this is explained by the delay while the mining industry's partially installed production capacity comes on line.

So what kind of reform do we need to buck things up? Well, a lot of people think the answer's obvious. Peter Reith, a former Liberal minister for workplace relations, for instance: "Labour market issues are at the heart of productivity and, in the end, about living standards. Australia's productivity performance has been poor in recent years. We cannot pretend this problem does not exist."

Another Howard government luminary, Peter Costello, would be the first to agree. He once said: "We need a new dose of active, wide-ranging and vigorous industrial relations reform in this country. No single reform would boost productivity in the Australian economy to the same extent."

He said that in 2005, in support of John Howard's Work Choices reforms. But Work Choices is no more. First it was watered down by Howard himself when finally he realised how unpopular it was, then it was further dismantled by Julia Gillard's Fair Work Act. And Tony Abbott promised repeatedly that Work Choices was "dead, buried and cremated".

I suspect a lot of Liberals' consciences are troubling them over Work Choices. They share the belief of Reith and Costello that industrial relations is the one key reform that would fix productivity. They know it's politically difficult, but the Liberals have to stand for something and reversing the Fair Work Act is something worth fighting for.

If the Murdoch press is to be believed, there's mounting disaffection among employers at the way Fair Work has re-regulated the labour market. Union power is back, we read, and strikes and excessive wage settlements are on the way.

I remain to be convinced this is anything more than employers' paranoia. Big wage increases in the mining industry are only to be expected during a mining boom. It's actually the way market forces work to shift labour from declining industries to expanding industries.

It's hard to believe the union monster could be revived. Union membership in the private sector is down to 14 per cent. Strike activity is a fraction of what it used to be and still falling. And though it doesn't prove much (because, in the real world, all else never stays equal), wages are growing at an unworrying 4 per cent annual rate.

But is industrial relations reform the key to restoring our productivity growth? I doubt it's the magic bullet the Liberals are convincing themselves it is. And Parkinson's agenda for further reform included not a hint he thought it important.

Even so, I don't doubt that reinstating the weakening of workers' bargaining power against their clearly more powerful employers by frustrating collective bargaining and promoting individual contracts, tolerating summary dismissal of workers and removing legislative protection of wages and conditions would indeed raise the productivity of labour (not to mention enhancing profits at the expense of wages).

It would do so mainly by giving employers far more freedom to shift workers around - to hire and fire at will, to bring workers in or send them home, and to split their shifts, move them between branches, put them on rolling shift work and make them work on weekends and public holidays all without additional compensation.

In other words, removing most of the paraphernalia of industrial relations legislation would give employers almost the same freedom to economise on the use of labour as they already have in managing the inanimate raw materials and machines that contribute to the production process.

It would impart to the labour market the supreme "flexibility" that Parkinson and other economists extol as the sine qua non of economic efficiency.

There's just one small problem, one the economists' model ignores rather than highlights: unlike all the other "factors of production", . Every unit of the stuff comes with a human attached. And each human unit is a bit different.

This means labour can give you trouble that other raw materials can't. The worse you treat it, the more it looks for ways to get back at you. The worse you treat it, the more you have to spend supervising it to prevent shirking.

You can't give yourself a huge pay rise without making it think it's underpaid. You can treat it inconsiderately only when it's in plentiful supply. If it's in short supply, it will up and leave. Smart employers (and conservative politicians) understand this, dumb ones don't.

But all that's by-the-by. The real point is that humans are meant to be the object of the economic exercise. When you seek to raise productivity and material living standards by making people's working lives a misery of uncertainty and insecurity, damaging people's family lives and even their health, you confuse means with ends, harming people in the name of helping them.

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Immigrants and oldies share our growing work load

Most of the interest in this week's figures for the labour force in June was in what they told us about the strength of the demand for labour. But what's happening to the supply of labour is just as interesting.

With the trend figures showing total employment grew by 188,000 over the six months to December, but by only 38,000 over the past six months, it's clear the demand for labour is slowing. This suggests the economy itself is growing less quickly, reducing concerns about gathering inflation pressure - for the time being, anyway.

Even so, the rate of unemployment staying steady at (a healthily low) 4.9 per cent for the past four months says the demand for labour at least is keeping pace with the supply of it. Which means the supply must have slowed, too.

The labour force (all those people with jobs or actively seeking them) grew by 1.7 per cent to just over 12 million people in the year to June, which was down from 2 per cent growth the previous financial year.

This is in distinction to the earlier position because, as an article in the latest Reserve Bank Bulletin points out, the labour force has grown at an average rate of 2.5 per cent a year since 2005. That's fast - it's also an extra 1.4 million people. Where have they all come from?

The first source is more people of working age (those 15 and over) choosing to actually participate in the labour force. And the big increase has been among women, plus older workers choosing to delay their retirement.

To appreciate the full effect we have to go back a bit. Since 1980, the rate of participation by women aged 25 to 54 has increased by about 20 percentage points, while the rate for women aged 55 to 64 has risen by a remarkable 35 percentage points.

Female participation has been rising since the 1960s and is occurring in all the rich economies. It reflects changing social norms as well as economic factors. The proportion of women with post-school qualifications has risen from 7 per cent in the early 1980s to more than 25 per cent today - which is higher than the proportion for men. Why wouldn't these women want to use their qualifications in paid work?

The strong growth of employment in service industries has suited women, partly by providing more jobs with flexible working arrangements. Growing access to child care and paid maternity leave has also helped.

But the largest increase in participation has been for older workers. The change for men began in about 2000. Since then, the rate for males aged 55 to 64 has risen by more than 10 percentage points. This trend, too, is happening around the developed world.

In Australia there had been a trend towards early retirement (you can access your superannuation savings at 55), but this is reversing. One factor encouraging people to remain in the labour force for longer is greater longevity.

Another is increases in the qualification age for the age pension. Since 1995 the age for women has been gradually increasing from 60 to 65, the same as for men, and for both men and women it will increase from 65 to 67 between 2017 and 2024.

Other factors encouraging later retirement include more flexible work practices, such as greater willingness to allow older workers to work part time, and the rising share of jobs in the services sector, where employment is typically less physically demanding than in the traditional goods-producing industries.

And here's where psychology enhances oh-so-logical economics: more people are working longer because more of their mates are working longer. As social animals we have an instinctive urge to do what everyone else is doing.

Something to note about the rise in both female and older-worker participation, however, is that it's been accompanied by a decline in the average hours worked per worker. It's gone from 35 hours a week in 1980 to 32 hours today.

Why? Because women and older workers are more likely to work part-time. It also reflects a fall in the share of people working very long hours in recent years.

This means a bigger factor explaining the growth in the supply of labour has been the growth in the population of working age. It's been increasing at an average rate of 1.5 per cent a year since 1980. But annual population growth picked up markedly from the mid-2000s, peaking a more than 2 per cent in 2008, since when it's fallen back to the average.

Part of this is population growth is ''natural increase'' (more kids turning 15 than oldies dying) but most of it is net migration (more people come in than going out). The increase in net migration between 2004 and 2008 mainly reflected a higher intake of permanent and temporary skilled migrants and a huge rise in the number of overseas students.

The Howard government's switch of priority from family reunion to skilled migration helps explain why more than 80 per cent of the migrants who arrived in 2009-10 were of working age, compared to 70 per cent of the total population. The proportion of the labour force that had arrived in Australia in the previous five years rose from under 3 per cent in 1996 to 6 per cent in 2011.

In recent years the significance of the government's much-watched annual permanent immigration program has been overshadowed by the temporary immigration categories for skilled workers (employer-sponsored 457 visas), students and working holiday-makers (backpackers).

The number of 457 visa holders has doubled since the mid-2000s, though their share of total employment is still less than 1 per cent. Their numbers have fallen as a result of the global financial crisis, but are likely to go back up because of resources boom mark II.

The number of student visa holders has tripled over the past decade, accounting for most of the surge in net migration. Overseas students are permitted to work 20 hours a week while their course is in session and unlimited hours during scheduled course breaks.

Student numbers have fallen sharply, however, because of a tightening in entry rules, the higher exchange rate and the bad publicity in India.

Those who disapprove of high immigration should remember this - as should those economists who bewail the slowdown in net migration. A lot more overseas students won't avert our looming skilled labour shortages.

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BY 2020 ONLY THE RICH WILL BE AT HOME IN AUSTRALIA

IQ2 Debate Sydney City Recital Hall
Tuesday, July 8, 2008

Some of you who read my column may be wondering what on earth I’m doing on the side opposing this motion that, by 2020, only the rich will be at home in Australia. Don’t I care about inequality? Well, yes I do. Do I believe everything in the garden is rosy? No I don’t. I do believe the gap between high and low incomes is too wide and I’d be happy to see governments do more to redistribute income from high income-earners like me to lower income-earners like you. (No, I suspect few of you are low income-earners.)

So why am I opposing this motion? Because it’s too extreme; it’s way too pessimistic and it goes over the top. Think about it: by 2020, only the rich will be at home in Australia. Let me ask you: do you feel at home in Australia right now, or do you feel like an outcast? Are you rich? No, you’re not. But what this motion asserts is that, within just 12 years or less, you’ll be dispossessed. If you own your home now, within 12 years you’ll have lost it. If you’ve got any superannuation, it won’t have grown in the next 12 years, it will have disappeared. If you’re middle-class, educated and reasonably comfortable now, within 12 years you’ll have lost it all. You’ll by like a new migrant who isn’t sure he jumped the right way; who doesn’t feel at home in Australia.


Another question: what proportion of the population would you consider to be rich? The top 50 per cent? 20 per cent? 10 per cent? What about the top 2 per cent? To be in the top 2 per cent of taxpayers you have to be earning more than $180,000 a year. So let’s say the top 2 per cent. This motion is saying that, within 12 years, the remaining 98 per cent will be stuffed. Now, I don’t pretend to know what will happen in the next 12 years, but the other side is certain they know: you are going to be completely buggered.

I don’t believe that for a minute, and that’s why I’m opposing this motion. It takes a sensible argument - the gap between rich and poor is too wide - and goes way over the top, predicting death and destruction for everyone in the middle.

Let me make three points. First, don’t believe everything you read in the paper. (Except the Herald, of course.) By their intense focus on the amazing salaries of a relative handful of chief executives and rich businessmen they’ve left us with a quite exaggerated impression of how well everybody earning more than we are is doing. What happens to the incomes of about 2000 men (and the odd woman) may be big news, but it tells us little about what’s happening to the remaining 21 million of us.


Second, it’s naïve to assume, as our opponents do, that things just keep moving in the same direction forever. If they’ve been getting worse, they can only keep getting worse. History shows that’s not true. The economy moves in cycles - house prices move in cycles, home loan affordability moves in cycles, interest rate go up and then come down. I believe in the pendulum theory of history, under which things keep moving in one direction until there’s a reaction, and they start swinging back in the opposite direction, only eventually to go too far in that direction. The proposition that gap between rich and poor can only widen in the next 12 years reveals an ignorance of the way the world works.

Third, what will all the low and middle-income voters be doing while they’re being dispossessed by the top 2 per cent? Democracy protects us from such extremes because the rich will never have more votes than the bottom and the middle, and governments that want to stay in power must attract the votes of the non-rich. The notion that elected governments do nothing but pander to the rich and powerful is defies common sense.

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This very lucky country enjoys a good whinge

Another week, another batch of bad news, adding to the general impression things aren't going at all well in the economy. But the gloomy talk doesn't fit with the objective indicators. Will we snap out of it, or could we talk ourselves into genuine poor performance?

Undisputed winner of the Greatest Gloom award was the quarterly report of the Sensis business index. "Weak consumer spending and an uncertain economic outlook have caused business confidence in Australia to tumble to a low not seen since the global financial crisis ...," the report said, forgetting to mention it covers only small and medium businesses.

Business confidence fell from 44 per cent to 28 per cent, the second biggest drop in the index's 18-year history. Perceptions about the present state of the economy fell from plus 8 per cent to minus 7 per cent.

Support for the federal government's policies fell 16 percentage points to minus 41 per cent. Fully 53 per cent of small businesses said a carbon tax would have a negative impact on their business, while 41 per cent believed it would have no impact.

In earlier news, the Westpac-Melbourne Institute index of consumer sentiment fell by 2.6 per cent in June to its lowest level in two years. Comparing this June with June 2009 - when we were still expecting the financial crisis to result in a severe recession - people's expectation for general economic conditions are 98 now, whereas they were 85 then.

So the index's present weakness is explained by people's feelings about their own finances compared with a year ago. Whereas the rating was 82 in June 2009, today it's 76. And whereas feeling about the outlook for family finances over the coming 12 months was 114 then, it's less than 96 today.

Next we had a Newspoll survey which found 35 per cent of respondents expected their standard of living to get worse in the next six months, up 10 points on what people thought last December. The proportion expecting their living standard to improve dropped to just 12 per cent, with 51 per cent expecting it to stay the same.

You'll have noted that all this gloom is coming from surveys of how people feel. When you look at the objective indicators of the economy's performance you find a different story. While employment growth is slowing, we still have 260,000 more jobs than we did a year ago, most of them full-time. And unemployment remains at 4.9 per cent. The figures show growth is fairly well spread between the states, not just concentrated in the resource states.

Between the growth in employment and quite strong growth in wage rates, household disposable income rose by 8.3 per cent over the year to March. Over that period, the consumer price index rose by 3.3 per cent and the cost of living index for employees rose by 4.9 per cent. Does that sound like a squeeze on living standards to you?

We keep hearing about the weakness in retail sales, and it's true they grew by only 0.8 per cent in real terms over the year to March. But overall consumer spending grew by 3.4 per cent, a perfectly healthy rate.

The repeated claims we hear about how much difficulty people are having coping with the cost of living hardly fit with the ever-rising rate of household saving, which now exceeds 10 per cent of household disposable income.

It seems clear the economy's problems are more in the minds of consumers and business people than in their behaviour - though I'd be the last to deny that the way we feel can influence the way we act. Question is, why do so many people feel so bad and will this start having real effects?

Part of the problem may be a widespread lack of confidence in the Gillard government. Breaking down the Newspoll figures on expectations about the standard of living shows unsurprisingly that 45 per cent of Coalition supporters are expecting it to get worse.

More surprisingly, they're joined by 23 per cent of Labor supporters, with only 17 per cent expecting it to get better. Of course, the government's tactic of always echoing the punters' self-pity on the cost of living makes it its own worst enemy.

A related explanation is the undoubted success of Tony Abbott's scare campaign over a carbon price. Explaining the slump in consumer confidence, Bill Evans of Westpac says that "despite steady interest rates and falling petrol prices, concerns about the introduction of a price on carbon are rattling households". These concerns disproportionately affect low income earners. But you'd expect them to dissipate fairly quickly when, as seems likely, the issue turns from imaginings to reality in July next year.

The macro-economically literate understand the huge effect on the economy that's coming - and will come - from having our terms of trade at a 140-year high and from an amazing mining construction boom. They also understand that this income will spread throughout the alleged two-speed economy.

Is it possible the luckiest - and long the best macro-economically managed - country in the developed world could turn its prosperity to ashes?

I believe in the power of psychology, but I doubt it's that powerful. The resources boom will steam on no matter how the punters are feeling.

But it is possible we could go on feeling hard done by, even as we get richer and the economy's underlying structure gets stronger.

And if the non-mining economy hangs back in fear and confusion while the mining sector booms, at least that will make life a lot easier for the macro managers.

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The price we would pay for keeping the farm

According to the Greens, the mining industry is 83 per cent foreign-owned. And their anxiety is matched by Senator Barnaby Joyce's worries about foreigners buying up rural land in NSW. But how concerned should we be about "selling off the farm" and what could we do about it?

The Greens' claims have not gone unchallenged. According to the Minerals Council, official figures show mining is actually 71 per cent foreign-owned. The Greens say BHP Billiton is 76 per cent foreign-owned, but the correct figure seems to be 60 per cent.

No one's disputing, however, that Rio Tinto is 83 per cent foreign-owned and Xstrata is totally foreign-owned. And even if the mining industry overall is "only" 71 per cent foreign-owned, that's still a remarkably high proportion.

What's more, the funding for the present huge expansion in the mining sector, which is likely to continue for quite a few years, is safe to come mainly from foreigner investors. If so, their share of the ownership of our mining companies is bound to go higher.

So why don't we just pass a law prohibiting foreigners from buying Australian mines and farms - or at least limiting foreign purchases in some way?

Sorry, it ain't that simple. Before we did that, we'd need to be sure we were prepared to pay the price of keeping what's left of Australia in Australian hands.

All spending on new physical investment - whether on homes, business equipment, mines and other structures, or public infrastructure - has to be financed by saving. For every $1 billion we invest this year, the money has to come from somewhere and, in fact, it has to come from us saving $1 billion this year.

The saving can be done by households, by companies retaining some of their after-tax profits, or by governments raising more in revenue than they spend on recurrent purposes. There's just one escape clause: we can also finance our investment spending by using the savings of foreigners.

We can either borrow from them - thereby adding to Australia's foreign debt - or we can sell them some Australian asset: real estate, an existing business, shares bought on the stock exchange or the right to set up a new business with their own money.

If we borrow their savings, the money will have to be repaid in due course, and we'll have to pay interest to them. If, instead, we sell off part of the farm, the after-tax profits the foreigners make from their share of the business will belong to them. They can either reinvest those profits in the business (which will increase the amount of the farm they own) or take them out of the country.

The Greens estimated that, over the next five years, the foreign owners of our mining companies will be entitled to after-tax profits of $265 billion, but will reinvest four dollars in every five, taking home only about $50 billion.

I'm not sure how accurate those figures are, but they do illustrate a point about which everyone agrees: a very high proportion of the big profits foreigners are making from our mining sector is being ploughed back into expanding the sector.

Does all this shock you? It's been going on, year after year, pretty much since white settlement. Because this is a big country packed with natural wealth, but with a relatively small population, Australians have never saved enough to finance all the abundant opportunities for economic development and enrichment.

So we've always invited foreigners - first the British, then the Americans, then the Japanese and now, to some extent, the Chinese - to bring their capital to Australia and join us in fully exploiting our nation's potential.

In other words, we've always been a "capital-importing" country. We've almost always run a surplus on the capital account of our balance of (international) payments, with more foreign capital funds flowing in than Australian capital funds flowing out. These funds include borrowed money and money for the purchase of physical assets and businesses ("equity" capital).

(It's worth remembering, though, that in recent decades we have had a lot of Australian money flowing out as our superannuation funds have invested in foreign shares and bonds, and Australian transnational corporations have expanded abroad. So while the rest of the world has been acquiring more of Australia, we've be acquiring more of the rest of the world.)

If we almost always run a surplus on the capital account of the balance of payments, it follows as a matter of arithmetic that we run an exactly offsetting deficit on the current account of the balance of payments. Thus the capital account surplus allows our exports to exceed our imports and covers the cost of our net payments of interest and dividends to the foreign suppliers of capital.

But why have we always invited foreigners to bring their savings to Australia and participate in the economic development of our nation? Because of our impatience to be richer, our desire to raise our material standard of living.

And because, as part of that, we've always been confident we were getting our fair share of the benefits. Any profits the foreigners make, we tax. Any minerals they extract from our land, we charge them royalties (though, with world commodities prices so high at present, probably not enough, which is what the new mining tax is about). But the benefits of economic activity exceed the profits made. It also generates a lot of jobs, directly and indirectly. Those jobs go mainly to Australians and help feed their families.

We could perhaps borrow more from foreigners so as to reduce their ownership of our real estate and businesses, but there are limits to how far debt can substitute for equity and limits to how much debt the nation should take on.

So if we want to impose new restrictions on how much foreigners own, it's pretty safe to involve less economic development, slower economic growth than we were expecting and a more slowly rising standard of living.

That wouldn't worry me much, but many people would see it differently. Point is: don't imagine restricting foreign ownership would come without a price to be paid.

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West heads to a Greek tragedy, too

To boil it down, the reason Greece is in so much trouble is that every Greek wanted a government that did all the expensive things governments do, but none wanted to pay tax.

Greece's politicians did not have the courage to tell their people that, in the end, you cannot have one without the other.

The Greek government ran budget deficits for year after year, racking up more and more government debt, eventually doing dodgy deals to disguise the amount of that debt until - surprise, surprise - the day of reckoning arrived.

Greece is now in the hands of its bank manager and - another surprise - he is not inclined to be gentle or reasonable.

The ostensible reason the rest of Europe is more worried than sympathetic is Greece's membership of the euro currency group and the knowledge that a lot of their own banks have lent to its government. That, plus the fact that Ireland and Portugal are in similar dire straits.

Were Greece to default on its sovereign (government) debt, it could touch off a financial tsunami - driven as much by fear as logic - that swept up the whole of Europe and even reached across the Atlantic to America.

But, really, why should the major advanced economies of the world be so worried about the fate of a piddling country like Greece? Because their own noses are not clean. They are not as far down the track as Greece and the others, but they, too, have been running big budget deficits year after year, building ever-increasing government debt.

They, too, have not had the courage to tell their voters that government benefits have to be paid for with higher taxes.

Australia used the long boom before the global financial crisis to run successive budget surpluses and so pay off all our net federal government debt, but the United States, Japan, Britain, Italy and various other European countries continued building up big government debts.

Then, when the financial crisis struck, they borrowed huge sums to bail out their teetering banks and, to a lesser extent, to stimulate their deeply recessed economies. Put that on top of their existing high levels of debt and even the mightiest economies of the world are in too deep.

In most of the leading economies, the ratio of government debt to gross domestic product will have risen by 2014 to the region of 100 per cent of GDP, compared with 60 to 70 per cent before the crisis. Japan, which started with a high government debt ratio because of its 1990s economic crisis, will end up with a figure of about 240 per cent by 2014.

This explains the stern warning the Bank for International Settlements, the central banks' central bank, issued at the weekend. The major advanced economies should not just be worried about Greece, it said, they should be worried about themselves. If the huge debt levels of the major economies prompt the world financial markets to wonder if those debts will be honoured, so that the markets take a set against sovereign debt in general, the majors, too, will be in big trouble.

But as the British economist Dr Diane Coyle reminds us in her new book, The Economics of Enough, it is worse than that.

We have known for years that the major advanced economies are facing immense pressure on their budgets from the ageing of their populations. They are committed to generous pension payments and healthcare spending for their retiring baby boomers at a time when, for many countries, their populations will be falling.

The Organisation for Economic Co-operation and Development has estimated that, within a decade, the government of the average member country will need to borrow 5 per cent of gross domestic product a year more than it does at present.

The ideal way to get on top of your debts is to trade your way out. Keep the income coming in, hold down your expenses and use the difference to pay down the principal. What makes it hard is the continuing big interest payments you have to meet before you can reduce the principal. Once your bankers lose faith in you, they may well increase the interest rate you are paying to cover their heightened risk.

For governments it is even harder. If they start from a position of annual deficit, they have to slash spending and raise taxes just to return the budget to balance and so stop adding to the principal. To get the budget into surplus - and so have money to reduce the principal - they have to cut spending and raise taxes even further.

But the more governments cut their spending and raise taxes, the more they slow the growth of their economies. And the more slowly their economies grow, the more slowly their tax revenue grows and the higher is their spending on dole payments, making it that much harder to get back to surplus.

The trouble with bank managers is that when finally they lose patience with you, they become quite unreasonable, imposing requirements and restrictions that actually make it harder for you to repay your debt. And when the "bank manager" takes the form of a herd of anonymous traders in global financial markets, their actions can be destructive and even self-defeating.

No matter how deep the problems of the developed world, it will survive. But these seemingly prosperous countries - which have gone for many years falsely inflating their prosperity by borrowing from the future - are reaching their day of reckoning.

Even if they avoid another financial crisis, they are set for a protracted period of austerity and relative penury, with their economies growing only slowly for many years. They have not woken up to this yet, but they will.

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How to blow the boom: cocoon manufacturers

The fusspots are right when they say we must make sure the nation gains lasting benefit from the resources boom. But doing so is as much about what we shouldn't do as what we should.

The first thing to note is that, even if the boom were to end a lot earlier than the policy-makers expect, the main thing we will be left with is a very much larger mining sector, producing and exporting a lot more minerals and natural gas than we do at present - and earning a good living in the process.

The sceptics who fear we'll be left with nothing when the present sky-high prices fall back - as they will - need reminding that higher prices are just one way to make a quid. The other way is with increased volume. And that is what we'll end up with.

Mining will account for a lot higher proportion of gross domestic product than its present 9 per cent. It is true that, mining being so highly capital-intensive, its share of total employment is likely to be just a few per cent.

It is true - but irrelevant. What matters is how much income mining brings into the country. When that income is spent - by the companies, their employees, governments and shareholders - jobs are created somewhere in the economy. Where exactly? In the services sector, where else?

Those who worry about us suffering Dutch disease - in which the high exchange rate caused by a minerals boom wipes out the manufacturing sector, leaving us with nothing when the boom's over - are themselves suffering from various misconceptions.

For a start, as a matter of historical accuracy, the manufacturing industry in the Netherlands wasn't wiped out in the 1970s and is alive and kicking to this day. Industries are invariably more resilient than they fear they will be - especially when seeking special assistance from governments.

Next, we need to avoid the mercantilist fallacy that the only way to make a living is to sell things to foreigners. At least three-quarters of our workforce makes its living selling things to other Australians. The only reason we need exports is to pay for imports - but the money earnt by the miners will help us with that.

We also need to avoid the physiocratic fallacy that the only way to make a living is to produce something that can be touched. If that is true, please explain how the three-quarters of the workforce toiling in the services sector - from the Prime Minister down to the lowliest cleaner - make their living.

We won't wipe out our manufacturing sector but even if we did, there is no shred of doubt where the jobs would come from: the same place all the extra jobs created in the past 40 years have come from - the services sector.

Yet another point to remember is that, with the economy already close to full employment in the early stages of the resumption of the resources boom, and with the ageing of the population causing the demand for labour to outstrip the supply of it, the one thing we won't have to worry about in coming years is: ''Where will the jobs come from?''

No, the problem here is not the threat of mass unemployment; it's just the matter of making sure we don't pee too much of the proceeds of our resources' good fortune up against a wall.

Why is that a worry? Because that is what we've done in the past.

In terms of export income, our economy has been riding on a sheep's back or on a coal truck since its earliest days.

What we've never had is a vibrant manufacturing sector. Our economy has been too small to get sufficient economies of scale, too far from North Atlantic markets and too good at mining and agriculture (by definition, you can't have a comparative advantage in everything).

But, for most of the past century, we hankered after a big manufacturing sector like all the other rich countries had. So we erected huge tariff barriers and set up a manufacturing industry behind them, thus forcing Australians to pay a lot more for their manufactures than they could have paid had they been given access to cheaper imports.

In other words, we took a fair bit of the proceeds from our rural and mineral wealth and used it to cross-subsidise a manufacturing sector far bigger than could have stood on its own feet. And now, with all the cries about the high exchange rate, we are being asked to do it again.

Since old-style protection in the form of tariffs and import quotas is now so unfashionable, the industry's lobbyists - including its unions - are pushing for disguised protection in the form of tighter anti-dumping restrictions and handouts in the name of ''innovation''.

There is no denying our manufacturers will need to be - and will be - innovative in their efforts to survive in an era of high exchange rates. But the more governments yield to rent seeking by pretending to be subsidising ''innovation'', the longer it will take the industry to accept responsibility for its own destiny.

No, if ever there is a time when it is obviously stupid for rich countries to prop up their manufacturers against competition from developing Asia, it is now.

The obvious way to maximise our lasting benefits from the resources boom is to let secondary industry take its chances and put all our effort into boosting tertiary industry - with all its clean, safe, well-paid, high value-added and intellectually satisfying jobs.

And the obvious way to do that is to invest in a lot more education and training, thereby increasing the nation's human capital and the saleability of Australians' labour.

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Pop bubbles before they can cause havoc

Don't drop your bundle yet. It would be a brave person - braver than me - who denied any possibility of another global financial crisis.

Sure it's possible, but it's far from certain. And another financial crisis might be like we eventually realised the last one was: more North Atlantic than global.

The Bank for International Settlements is the central bankers' club. And central bankers don't warn of catastrophe if they really fear one's on the way. When things really are near crisis point, they are calm and reassuring.

So this is the world's bank manager issuing wayward clients with a stern lecture on the need to mend their ways. The bank is saying, don't assume the problems are limited to Greece, Ireland and Portugal. The big North Atlantic economies - the United States, Britain and much of Europe - have huge, unsustainable levels of government debt, and should the financial markets lose confidence in those countries' efforts to get on top of their debts, another crisis is possible.

It's preaching against the optimistic attitude in those countries that the crisis has passed and it's back to business as usual. No, no, back to the grindstone.

To that extent it's dead right: those economies face at least another decade of low growth as they grind away at reducing their public and private debts.

This is not a message aimed at us. We could be affected by another financial crisis but we're just as well placed to cope as we were with the first.

Our banks remain well supervised, with few loans to the worst-affected governments. Our government debt is laughably small compared with the US and Europe. Our interest rates are not too low.

If there's one lesson from the first crisis, it's that our fortunes depend much more on Asia than on Europe and America.

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Raising the bar on the dollar's change in fortune

You may not have noticed, but the econocrats have raised the bar on the amount of economics you need to know to follow the debate about the economy - or, at least, to follow what they are saying about it. The jargon phrase of the year is the "real" exchange rate.

Until recently, heavies from Treasury and the Reserve Bank were content just to say the exchange rate - the overseas value of the Australian dollar - had depreciated (gone down) or appreciated (gone up) by a certain amount.

This was a reference to the "nominal" exchange rate - the one they tell you about at the end of a news bulletin, the one you can find in the business pages and the one your bank will use if you want to change some Aussie dollars into US dollars, euros or whatever.

As its name implies, the "real" exchange rate is the nominal exchange rate adjusted for inflation. But it's not just our inflation rate that comes into the calculation, it's our rate relative to the inflation rate of the country whose currency we're exchanging for the Aussie dollar.

Actually, just to complicate it a bit further, when economists talk of the real exchange rate, they're usually referring to the real "effective" exchange rate. This is our exchange rate, not against the US dollar or any other particular currency, but against all the currencies of our major trading partners, with each partner's currency weighted according to that country's share of our two-way (exports plus imports) trade. In other words, our effective exchange rate is the trade-weighted index.

(Of the 22 currencies in the trade-weighted basket, the Chinese yuan gets a weight of almost 23 per cent, then the yen with 15 per cent, the euro with 10 per cent, the US dollar on 9 per cent, South Korean won on 6 per cent, India rupee on 5 per cent and so on.)

Whether they talk about the nominal exchange rate or the real exchange rate, economists always think in terms of the real exchange rate because they believe it's always real (inflation-adjusted) variables that matter.

It's the real growth in gross domestic product that's important, and real interest rates and real wage rates that influence people's behaviour. (When people pay too much attention to nominal variables, they're said to be suffering from "money illusion".)

Let's assume the nominal effective exchange rate stays stable for a period. If our inflation rate is higher than the average inflation rate of our trading partners, the real exchange rate is appreciating.

If our inflation rate is lower than the average for our trading partners the real exchange rate is depreciating.

Why? Because they are the adjustments necessary to ensure the prices of internationally traded goods and services end up being the same in all countries, as predicted by the theory of "purchasing power parity" (PPP) - economists' main theory about what determines the way exchange rates move.

When economists say a particular currency is overvalued by X per cent, or undervalued by Y per cent, it's the assumption of PPP they're using as the basis for their calculation. But the fact that economists are always making such calculations is a reminder that the actual market exchange rate of a currency can go for years being significantly at variance with where the PPP theory says it should be.

So if PPP holds in the real world, it can only be said to hold over the long term. In the shorter term, lots of other factors affect the way exchange rates move.

However, if we stick to the theory and assume there's an inexorable, "equilibrating" force (a force that moves everything towards equilibrium, or balance) moving every currency towards PPP, then countries that don't allow their currencies to float freely - by, for instance, fixing their currency to that of another country - will find their inflation rate adjusting to move their real exchange rate in required direction.

Thus if you're holding your currency's value too low (according to PPP), you'll end up with an inflation rate that's a lot higher than your trading partners' rates, which will cause your real exchange rate to appreciate. Many economists would say this is China's problem at the moment.

All this is great fun if you like fancy analysis (as economists do), but does it matter? It matters to the economy - and to a lot of business people - because our real effective exchange rate is the best measure of the "international competitiveness" of our export and import-competing industries.

And thanks to the huge appreciation in the nominal exchange rate brought about by the foreign exchange market's response to the sky-high prices we're getting for our coal and iron ore, our real effective exchange rate is the highest it's been since the mid-1970s and about 40 per cent higher than its average since the dollar was floated in 1983. In other words, it's a long time since our tradeables industries were less competitive internationally than they are today. This isn't a great problem for our miners, because the world prices they're getting are so high at present, nor is it a great problem for our farmers, whose prices for many items are high, too.

But it is a big problem for our manufacturers and the producers of our two biggest services exports: tourism and education. Actually, both manufacturing and tourism are import-competing industries as well as export industries. They're getting wacked.

Remember this, however: because economists are so obsessed by prices, they often forget to make it clear they're talking about international price competitiveness. When you're exporting undifferentiated, bulk commodities - whether mineral or agricultural - price competition is the main game.

But for more sophisticated products, there's plenty of non-price competition. You can compete on quality, stylishness, reputation, reliability, service and so forth. You can cater to niche markets the big boys don't bother with. Such "business models" can allow you to have higher prices and still make sales.

Since there's nothing sensible the authorities can do to lower our exchange rate - real or nominal - and since it looks likely to stay high for many moons, the more our hard-pressed tradeables industries focus on non-price competition, the better they'll survive.

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Primary products are setting us up well

For many years - most of the second half of the 20th century - it looked like Australia was on the wrong tram. In a world of ever-more high-tech, sophisticated manufactured goods, we were hewers of wood and drawers of water. To put it less biblically, we paid for our imports mainly by growing things in the ground or digging stuff out of the ground.

We were stalled in primary industry while the rest of the developed world had moved up the ladder to secondary or even tertiary industry. They were doing a lot more ''value-adding'' than we were. The prices we were getting for our agricultural and mineral exports were steadily declining, whereas the prices we were paying for all the manufactures we imported were rising inexorably.

At the time of the Sydney Olympics, when the dollar was heading down towards US 50 cents, visiting business leaders berated us for being an ''old economy'' with few IT start-up companies. That was when it started turning around. The old-economy talk evaporated within a few months with the arrival of the sharemarket Tech Wreck. And not long after, the prices we were receiving for our coal and iron ore took off, lifting the value of our dollar in the process.

Over the past 11 years, the prices we're getting for our exports are up by 7 per cent, whereas the prices we're paying for our imports are down by 9 per cent. Why? The governor of the Reserve Bank, Glenn Stevens, explained it in a speech last week.

''Hundreds of millions of people in the emerging world have seen growth in their incomes and associated changes in their living standards, and they want to live much more like we have been living for decades. This means they are moving towards a more energy- and steel-intensive way of life and a more protein-rich diet,'' he said. ''That fact is fundamentally changing the shape of the world economy.''

We're witnessing a ''large and persistent change in global relative prices''. The world is paying a lot more for the commodities we export - energy, the main ingredients of steel, and food - relative to the prices of everything else, but is also charging a bit less for the manufactures we import.

So whereas it looked for so long that we were backing losers, now it's clear we're in the winners' circle. And we look likely to stay there for many moons. We've had plenty of commodity booms in the past, of course. Prices shoot up, then crash back to earth. And no one imagines the prices we're getting for coal and iron ore will stay at their present stratospheric levels for long.

Even so, this boom seems likely to last a lot longer - say, a decade or more - than previous booms. Indeed, it has already lasted a lot longer than we're used to. Past booms have been based on a cyclical (and thus temporary) upswing in the developed world's demand for our commodity exports, whereas this one is based on a structural (and thus longer-lasting) change in the world economy: the rapid industrialisation and urbanisation of the two most populous economies, China and India, with various other developing countries following in their wake.

Only the natural environment's inability to cope is likely to halt this development. So it will survive the temporary speeding-ups and slowing-downs of the Chinese and Indian economies. And though coal and iron ore prices are bound to fall, they're unlikely to fall back all the way. They should remain a lot higher than they were throughout most of the past century. If so, our dollar is likely to stay high rather than revert to its average level of about US70? since it was floated in 1983.

Another thing that makes this time different is the huge surge of investment in new mines and natural gas facilities. This is likely to run for a decade or more, and will be the main factor driving the economy's growth. It's the main reason the Reserve Bank keeps warning that interest rates will need to rise, even though consumer spending isn't all that strong.

But it's not just our miners who are doing well. The rapidly rising wealth of developing Asia is increasing its demand for more protein-rich food. That increased demand is raising the price of food. We've already heard a lot - and will hear a lot more - about rising world food prices. This is invariably presented as a terrible thing - a ''crisis'' - and to many people it is. But it's not a bad thing that the people of Asia can now afford to eat better. And it certainly ain't a bad thing for our farmers. Now you know why, for once, farmers aren't whingeing about the high dollar. Again, only environmental problems will inhibit their ability to clean up.

Consumers throughout the developed world are experiencing a rise in the prices of food, energy and raw material-intensive manufactures, which lowers their standard of living. That includes Australian consumers, though we enjoy the spill-over benefits of living in an economy that's a major global supplier of raw materials.

In economics, however, there are no benefits without costs (leading to a net gain in this case, or a net loss in others). The world having seriously changed its mind about the value of the raw materials we supply to it, we must now rejig our economy to fit.

We're getting a very much bigger mining sector and a revitalised agricultural sector, but we can't be good at everything and so the manufacturing sector's share of the economy will shrink. For us, it's back to the future.

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