Tax cuts: lies, damn lies and bracket creep

If Malcolm Turnbull's promised tax cuts ever eventuate, we can be sure they'll be justified in the name of redressing terrible "bracket creep". But there are few aspects of taxation that involve more deception.

Treasury has been overselling the bracket creep story since the arrival of the Abbott government, while the Turnbull government has been exaggerating how much of it there's likely to be, so as to prop up its claim it's still on track to return the budget to surplus in 2020-21.

Every politician with their head screwed on loves bracket creep. When pressed, however, all profess to think it a bad thing. The punters think they disapprove of it, but their "revealed preference", as economists say (what they do rather than what they say), tells us they prefer it to the alternative.

It's only commentators like me who are free to say openly that, in this imperfect world, bracket creep's a jolly good thing and there ought always to be a fair bit of it.

Bracket creep occurs when a taxpayer's income increases by any amount for any reason. That's because we have a progressive income tax scale – one where successive slices of income are taxed at higher rates in the dollar – that's fixed in nominal terms.

Sometimes the creep happens because the increase in income lifts the last part of someone's income into a higher tax bracket, but it occurs even if this isn't the case. That's because the higher proportion of their income that's taxed at their highest ("marginal") tax rate increases the average rate of tax they're paying on the whole of their income.

If politicians really disapproved of bracket creep they could eliminate it by indexing the tax scale's bracket limits on July 1 each year in line with the rate of inflation in the previous financial year.

If you wanted to allow only for the effect of inflation, you'd index the brackets to the consumer price index. If you were a true believer in Smaller Government, who thought it a crime for a person's rising real income to raise their average rate of tax, you'd index it to average weekly earnings.

That no government has indexed the tax scale in this way since Malcolm Fraser's abortive experiment with it in the late 1970s is all the proof you need that, whatever they say, politicians of both colours quite like bracket creep. Same goes for Treasury.

The pollies' preference is to let it rip, but then make big guys of themselves by giving some of it back about once every three years, just before or just after an election. Only during the first half of the resources boom, when their coffers were (temporarily) overflowing, did John Howard and Peter Costello depart from this approach.

I believe in bracket creep because it's always played a vital role in helping to balance the budget. It's part of the implicit contract between governors and the governed, who want ever-growing government spending, but don't like explicit tax increases, particularly new taxes.

Their unspoken message to governments is: you find a way to pay for the spending we want, just don't wave it in front of our faces. Bracket creep is the tried and true way of squaring this circle, with limited objection from taxpayers.

What few people seem to realise at present, however, is that we've had precious little bracket creep for the past four years because inflation has been unusually low, and wages have barely kept up with it.

Limited bracket creep is the greatest single reason the Coalition government has had so little success in returning the budget to surplus. The government's persistent over-estimation of the bracket creep that will come its way is the main reason it has kept failing to reduce the deficit as forecast.

Yet throughout this government's term, official estimates of the huge extent of future bracket creep have been published, seemingly making the case for big tax cuts. The latest, issued last month by the Parliamentary Budget Office, were reported as though they were established (and scandalous) fact.

In truth, they were mere projections, based on this year's budget projections that wage growth will accelerate to 3.75 per cent a year over the next three years – projections that have been pilloried as wildly optimistic.

I'll let you into a secret unknown to the innumerate end of the media: if your big economic problem is exceptionally weak wage growth, one problem you don't need to worry about is excessive bracket creep. Nor is there any urgent case for tax cuts.

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Economic garden gets back to normal - very slowly

With the year rapidly drawing to a close, the chief manager of the economy has given us a good summary of where it looks like going next year. The word is: we're getting back to normal, but it's taking a lot longer than expected.

The chief manager of the economy is, of course, Reserve Bank governor Dr Philip Lowe, and he gave a speech this week.

For years Lowe and others have been tell us the economy is making a difficult "transition" from the resources boom to growth driven by all the other industries. But now, he says, it's time to move to a new narrative.

"The wind-down of mining investment is now all but complete, with work soon to be finished on some of the large liquefied natural gas projects," he says.

Mining investment spending rose to a peak of about 9 per cent of gross domestic product in 2013, but is now back to a more normal 2 per cent or so.

This precipitous fall has been a big drag on the economy's overall growth, meaning its cessation will leave the economy growing faster than it has been.

As Lowe puts it, "this transition to lower levels of mining investment was masking an underlying improvement in the Australian economy". The decline in mining investment also generated substantial "negative spillovers" to other industries, particularly in Queensland and Western Australia.

This is a good point: weakness in the mining states has made the figures for the national economy look below par, even though NSW and Victoria have been growing quite strongly.

The good news, however, is that these negative spillovers are now fading. In Queensland, the jobs market began to improve in 2015, and in WA conditions in the jobs market have improved noticeably since late last year.

This is one reason Lowe expects the economy's growth to strengthen next year. Another is the higher volume of resource exports as a result of all the mining investment.

"We expect GDP growth to pick up to average a bit above 3 per cent over 2018 and 2019." This may not sound much, but "if these forecasts are realised, it would represent a better outcome than has been achieved for some years now.

"This more positive outlook is being supported by an improving world economy, low interest rates, strong population growth and increased public spending on infrastructure," he says.

And the outlook for business investment spending has brightened. "For a number of years, we were repeatedly disappointed that non-mining business investment was not picking up . . .

"Now, though, a gentle upswing in business investment does seem to be taking place and the forward indicators [indicators of what's to come] suggest that this will continue.

"It's too early to say that animal spirits have returned with gusto. But more firms are reporting that economic conditions have improved and more are now prepared to take a risk and invest in new assets."

The improvement in the business environment is also reflected in strong employment growth. Business is feeling better than it has for some time and is lifting its capital spending as well as creating more jobs.

Over the past year, the number of people with jobs has increased by about 3 per cent, the fastest rate of increase since the global financial crisis.

The pick-up is evident across the country and has been strongest in the household services (which include healthcare, aged care and education and training) and construction industries.

It's also leading to a pick-up in participation in the labour force, especially by women.

So, everything in the economic garden is back to being lovely?

No, not quite. Consumer spending – by far the biggest component of GDP – "remains fairly soft". It's been weaker than its annual forecast since 2011 and hasn't exceeded 3 per cent for quite a few years.

Why? Because of weak growth in real household income and our very high level of household debt. The weak growth in household income is explained mainly by the weak growth in wages for the past four years, which have barely kept pace with (unusually low) inflation.

Lowe says "an important issue shaping the future is how these cross-cutting themes are resolved: businesses feel better than they have for some time but consumers feel weighed down by weak income growth and high debt levels".

Let me be franker than the governor. The economy won't get back to anything like normal until we get back to the modest rate of real (above inflation) growth in wages we've long been used to.

Just what's causing the weakness in prices as well as wages – which is a problem occurring in most other developed economies – and whether the problem is temporary or lasting, is a question that's hotly debated, with Lowe adding a few pointers of his own.

He thinks it's partly temporary, meaning wage growth will soon pick up from its present (nominal) 2 per cent a year, and partly longer-lasting, meaning it may be a long time before it returns to its usual 3½ to 4 per cent.

"We expect inflation to pick up, but to do so only gradually. By the end of our two-year forecast period, inflation is expected to reach about 2 per cent in underlying terms . . . Underpinning this expected lift in inflation is a gradual increase in wage growth in response to the tighter labour market."

Here's his summing up:

"Our central scenario is that the increased willingness of business to invest and employ people will lead to a gradual increase in growth of consumer spending. As employment increases, so too will household income. Some increase in wage growth will also support household income.

"Given these factors, the central forecast is for consumption growth to pick up to around the 3 per cent mark" – which would still be below what was normal before the GFC.

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Tax cuts would have cons and pros

Yippee! It's almost Christmas and Malcolm Turnbull has dropped a big hint that tax cuts are coming. Good old rich Uncle Mal has been to see his bank manager, got the overdraft extended, and is determined we'll all have a great Chrissie, no matter what.

Actually, it's all a bit vague at this stage. We don't yet know whether the cuts will even be announced before Christmas, let alone when they'll be delivered. Nor do we have any idea whether they'll be large, small or indifferent.

Wouldn't surprise me if they were on the small side, nor if we got them only as a reward for voting Turnbull back into office at the next election, to be held late next year or in the middle of 2019.

All we actually know is what Turnbull dropped into a speech to the Business Council after affirming his intention to press on with the hugely expensive company tax cuts for big business.

"In the personal income tax space, I am actively working with the Treasurer and my cabinet colleagues to ease the burden on middle-income Australians, while also meeting our commitment to return the budget to surplus," he said.

It wouldn't surprise me if even Turnbull doesn't yet have a clear idea about the size and timing of the cuts. That will depend partly on Treasury's grudging willingness to make it seem they can be afforded "while also meeting our commitment to return the budget to surplus", but just as much on the calculations of his spin doctors.

Will they decide to announce the cuts soon, using them as an attempt to break the circuit of negative media discussion of some problem the government's having, or keep them under wraps until much closer to the time when voters are asked to show their gratitude at the polls?

That Turnbull has dropped the big hint this early in the piece is a sign they're more likely to be chewed up in a desperate but futile attempt to give the government some "clear air", than carefully preserved as part of a grand re-election strategy.

But though uncertainty abounds, there are three iron laws of tax cuts.

The first is that a government's motive in making them is always mainly political. It either fears that if it doesn't cut it will lose votes – because voters are starting to resent how much tax they're paying on any pay rises or overtime – or it hopes if it does cut this will win votes in thanks for its magnanimity.

The second law is that, despite their political motivation, tax cuts always come colourfully wrapped in wonderful economic justifications. By taking this political gift, we're assured, we'll be creating jobs, reducing unemployment and making the economy grow.

It's almost our economic duty to accept the offer of the bloke selling tax cuts for votes.

The third law, however, is that voters' gratitude for being given a little of their own money back is faint to non-existent. A tax cut announced is soon forgotten; a tax cut delivered before an election has next to no influence on the outcome.

But can the budget afford tax cuts? Not if you accept the government's preferred way of measuring the deficit. It says we're still a long way from returning the budget to balance.

The government's prediction we'll be back to budget surplus by 2021 rests heavily on its forecast that wages will soon start growing strongly, much faster than inflation. Maybe.

If Treasury finds a way to maintain that trajectory while paying for tax cuts, it will be by stepping up its over-optimistic forecasts of wage growth. With circular logic, the "bracket creep" such forecasts imply would then be used to justify the tax cuts themselves.

For years we've been told a government that needs to borrow each month to keep itself afloat can't possibly afford to give aid to poor people overseas. But borrowing to cover tax cuts to big business isn't a problem nor, apparently, is borrowing to give voters a tax cut.

The sad truth is that this Abbott-Turnbull government has got neither the conviction nor the honesty to stick to a consistent line on debt and deficits.

In opposition they told us the debt was a frightening crisis, but easily fixed by them. In government they had one go at fixing it at the expense of everyone but their own supporters, but lost public support from that moment, and since then have abandoned any serious attempt at budget repair, merely waiting like Mr Micawber for something (bracket creep) to turn up.

Now it's decided it can't wait even for that, but must give some of it back on the assumption it will turn up – eventually.

But whatever their political motivation, tax cuts do have effects on the economy, so what would they be?

At a time like this, tax cuts would have a similar effect to a decent pay rise, making it a little easier for households to keep spending, giving consumer spending a modest boost and, indeed, creating a few more jobs.

And if you defy federal Treasury and measure the budget balance more sensibly, stripping out investment in infrastructure, you find the recurrent deficit has already been largely eliminated. A small tax cut wouldn't set it too far off course.

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Labor plans further blow to Treasury power

It's a process that's gone on for so long few people have noticed it: the waning influence of the once-mighty federal Treasury.

There was a time, 40 years ago, when Treasury sought to monopolise the economic advice going to the federal government. But those days are long gone.

The peak of Treasury's influence came with the sweeping micro-economic reforms and opening up of the economy in the 1980s and 1990s. It first convinced its minister, John Howard, of the need for widespread reform, but he made little progress under Malcolm Fraser.

Under a much more sympathetic Bob Hawke, Howard's successor as treasurer, Paul Keating, delivered on Treasury's reform agenda beyond its wildest dreams.

Since 2000, after Howard as prime minister won Treasury's 25-year battle to introduce a broad-based consumption tax, it's been largely downhill all the way on micro reform, with its loss of momentum, direction and purity of motive.

This is what's so significant about the Productivity Commission recently seizing the initiative to Shift the Dial and revive and redirect the reform agenda. Its "new policy model" could never have come from a tired and hidebound Treasury.

When Fraser sought to punish Treasury in 1976 by dividing it in two, Treasury and Finance, the initial judgment was that he'd succeeded only in doubling its vote in favour of budget rectitude at the cabinet table.

Forty years on, I now doubt that. Its bifurcation has diminished Treasury's effectiveness in the endlessly recurring task of "fiscal consolidation" (getting the budget deficit down) by robbing it of both the expertise and the motivation to find innovative, politically sustainable ways to limit the growth in government spending.

This trickier side of the budget has largely been left in the hands of the Finance accountants, whose vision rarely extends beyond this year's budget task, and who know more about creative accounting than the wider economic consequences of their crude spending cuts.

On the revenue side, Treasury shares the Business Council's unending obsession with tax reform. Why? To a surprising extent, for the simple, institutional reason that tax policy still lies within its own ministerial responsibility.

Treasury's become more inward looking and less concerned to oversee ("co-ordinate") the activities of other departments.

With one glaring exception. Treasury's greatest loss of influence came with the recognition of Reserve Bank independence in the mid-1990s.

From that time, the day-to-day management of the macro economy moved to the Reserve, with Treasury merely retaining a seat on the bank board and the ear of the treasurer.

Yet there's been great reluctance on Treasury's part to acknowledge this loss of power. It pretends nothing's changed, devoting far too many of its shrinking human resources to second-guessing the Reserve.

The Reserve devotes many resources to "liaison" (gathering businesses' views on the state of the economy), so Treasury must do it too.

The Reserve has an extensive forecasting round each quarter, so Treasury must do its own – but half-yearly, because its only actual forecasting need is for a set of macro-economic "parameters" to plug into its budget estimates of spending and revenue.

The Reserve regularly investigates the latest macro puzzle – say, why non-mining business investment is so slow to recover – so Treasury must do its own. Its new Treasury Research Institute focuses on macro management issues.

What gets neglected is Treasury's oversight of the big micro reform issues. Think health, education, infrastructure. Without an institutional understanding of the detail of these areas, Treasury simply isn't up to speed on either micro reform or budget sustainability.

So its recent establishment of a "structural reform" division seems a step in the right direction – until you learn that the group's first big project was to inquire into non-mining business investment's slowness to recover.

Another part of Treasury's decline is its politicisation, particularly Tony Abbott's decision to sack the Treasury secretary, Dr Martin Parkinson, and replace him with someone whose views he felt more comfortable with, John Fraser.

Recent Coalition governments have preferred Treasury and other departments to be less the fearless policy advisers and more the handmaidens to the minister and their office.

This politicisation makes it ever-harder to believe Treasury's persistently over-optimistic economic and budget forecasts are the product of forecaster fallibility rather than political interference.

Trouble is, the more your influence and authority decline, the more people want to take a crack at you.

Should Labor win the next election, it says it will shift responsibility for budget forecasting and the five-yearly intergenerational report (whose credibility Joe Hockey destroyed by turning it into a political tract) from Treasury to the more independent Parliamentary Budget Office.

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Unis should never be allowed to set their own fees

The Productivity Commission has changed its ideological tune, shifting away from the slavish adherence to an idealised version of the "neoclassical" model of the economy for which it and its predecessors became notorious.

It's moved to a more nuanced approach, recognising the many respects in which real-world markets differ from those described in elementary textbooks.

This shift has been underway since the present chairman of the commission, Peter Harris, succeeded Gary Banks in 2012.

You could see it in the commission's 2015 report on the Workplace Relations Framework, which acknowledged, readily and in detail, the factors that made the simple neoclassical, demand-and-supply model unsuitable for analysing the labour market.

But it's even more apparent in the commission's blueprint for a very different approach to economic reform, Shifting the Dial. Consider this.

Remember the plan in the Abbott government's first budget, of 2014, to deregulate the fees universities are allowed to charge students doing undergraduate degrees?

It was a logical next step following the Gillard government's decision some years earlier to deregulate the number of undergraduate places each university was permitted to offer.

The unis had responded by hugely increasing the number of government-funded places, at greatly increased cost to the federal budget, after successive governments had spent decades trying to quietly privatise the unis and get them off the budget.

The economic rationale was that "market forces" – competition between the unis – would prevent them for using their new fee-setting power to overcharge students.

It was a reform that all right-thinking people should support, and those terrible popularity-seekers in the Senate should never have blocked.

Get this: as part of its plan to improve the teaching of uni students, and in the course of explaining how some students are being charged higher fees than they should be, the commission also shows why deregulating fees would have been a crazy idea.

At the same time as it allowed unis to set their own fees, the government's intention had been to cut its funding of places by 20 per cent. It wasn't hard to see that, as unis continued to raise their fees each year, the government would keep cutting its own funding contribution until it was no more.

The commission argues (on page 109) that government "regulation" of the maximum fees unis may charge for particular undergrad courses "is necessary because price competition [between universities] is difficult to establish in the domestic university market.

"This is primarily because the vast majority of domestic students have access to income-contingent HELP loans and consequently have a low price sensitivity, which was a necessary by-product of enabling university access on merit, rather than family income."

Get it? The elementary model's promise that "market forces" – competition between sellers, plus the self-interest of buyers – will stop firms overcharging rests on an assumption that customers have to pay the price upfront.

In the case of uni fees, however, the upfront price is paid by the government, and students incur a debt to the government, which they don't have to start repaying until their income reaches a certain level at some uncertain time in the future.

How long they'll be given to repay the debt is also uncertain, though it's certain their repayments will be geared to their ability to pay, and the only interest they'll pay is the rate of inflation. Cushiest loan you'll ever get.

With the cost of university tuition to a student so far into the future and so uncertain, it's unrealistic to assume students will shop around to find the lowest-charging uni. (Actually, they all charge the maximum allowed.)

Remember, too, that the fee is less than the full cost of the tuition, meaning the unis are "selling" a product whose retail price has been heavily subsidised by the government.

The commission notes that price competition is further limited by the geographic immobility of students. Because more than 80 per cent of commencing students live at home, and moving out would add greatly to their costs, you might get competition between the unis in a particular capital city, but that's all.

But even that's unlikely. The elementary model assumes "perfect knowledge" – both buyers and sellers know all they need to know about the prices and qualities of the products on offer.

In reality, knowledge is far from complete, and is often "asymmetric" – sellers know far more than buyers, usually because the sellers are professionals, whereas the buyers are amateurs.

The commission explains why all unis – big-name or bad-name, city or country – charge the maximum fees allowed.

"In the absence of good information, lower prices may undermine the prestige of a university and its capacity to attract good students," the commission says.

This is an admission of a weakness in the elementary model that affects far more than uni fees. The assumption of perfect knowledge leads to the further assumption that the prices market forces allow a firm to charge fully reflect the quality of its products relative to the quality of rival products.

As behavioural economists have pointed out, however, quality is something that's often very hard for buyers to know in advance. Only after they've bought it and tried it will they know. Think bottles of wine.

So whereas economists assume buyers' foreknowledge of differences in quality is what determines differences in the prices of similar products, buyers who don't know the differences in quality assume they can use prices as a quality indicator. Higher price equals higher quality.

So why don't lesser unis seek to attract more students by charging lower fees than the big boys? Because it would be taken as an admission of their inferior quality, and could lose as many customers as it attracted, maybe more.

The assumption that market forces would prevent unis from abusing their freedom to set fees as they chose was extraordinarily naive, as the commission is now happy to explain.

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