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Beware bold economists

By Henry Ergas - posted Thursday, 11 December 2008


The open letter to Kevin Rudd issued on Saturday by eight respected Australian economists cannot but raise concerns. The letter's motivations are as laudable as the clarity and strength with which its authors' views are presented. But its three key recommendations are unconvincing and, if implemented, are likely to make things worse rather than better.

The economists' first recommendation is to immediately reduce compulsory superannuation contributions from 9 per cent to 6 per cent, then to increase those contributions, from 2010 on, up to 12 per cent.

The aim is to provide an immediate fillip to consumption, while subsequently raising compulsory savings.

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There is, however, little reason to believe the effects would be as claimed. Consumption decisions are shaped not by transient changes in income but by expectations of income going forward, a proposition known as the permanent income hypothesis. A short-term reduction in compulsory savings, soon reversed and followed by a sequence of rapid increases in mandatory contributions, amounts to a pre-announced reduction in disposable incomes. As households respond to the news that their disposable incomes will fall once the temporary cut is reversed, consumption is likelier to decline than to increase.

A better approach would be to reduce the taxes that most distort incentives to work and invest. In particular, why not lower income taxes, cutting effective marginal rates at the bottom and the top of the income distribution, where they are especially distorting? Going ahead with the income tax cuts that were supposed to be made in 2011, but which the Government recently cancelled, would provide immediate benefits and increase efficiency and national income in the longer term.

As for the economists' second recommendation - a significant debt-financed increase in public spending on "nation building" - it, too, raises more questions than it answers.

To begin with, the letter asserts that there is "a deficit of high-quality infrastructure"; but there is no evidence that benefit-cost ratios for infrastructure projects have increased in recent years, as they would were infrastructure gaps becoming more pronounced. Rather, the key problem seems to lie not in the quantum of public infrastructure spending but in its poor governance, with state governments wasting resources on projects that are as poorly chosen as they are badly implemented. Increasing funding for projects of this ilk is as sensible as turning up the volume on a faulty amplifier.

It is true that capacity has badly lagged demand in the coal ports of Queensland and NSW. It is not funding constraints, however, that are to blame, for those facilities' users are willing and able to fund needed capacity expansion. Rather, as study after study has shown, the problems arise from flawed regulation which, for so long as it persists, will entrench the present bottlenecks.

Tipping buckets of public money at these problems risks merely papering over the cracks left by a sequence of shockingly incompetent state governments. The letter does call for "strong safeguards" to ensure the efficiency of increased infrastructure spending. But the Rudd Government just rejected all attempts to build such safeguards into its "nation building" funds, with senator Nick Sherry bizarrely labelling suggestions that the Productivity Commission review the funds' performance as "Stalinist red tape". How then can the letters' authors possibly endorse the Government's policy in this area? And if they do not, why not say so?

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As for funding the increased infrastructure outlays through substantial increases in public debt, the scale of the proposed increases is disturbing. The letter recommends "new borrowings of up to 10 per cent of GDP" which "should be deployed as rapidly as possible". While it is not easy to know exactly what this means, what is clear is that when combined with the Government's economic security package, the implied growth in public spending would be enormous, far exceeding the Whitlam government's fiscal splurge. Even putting aside the short-term harm this would likely cause, is it plausible that an amount equivalent to 10 per cent of gross domestic product could be shifted to nation building without crowding out efficient private uses of scarce resources?

This brings me to the letter's third recommendation, which is that substantial incentives be provided to boost spending on energy efficiency. These incentives would be strictly time-limited, so firms and households would have to spend the money as rapidly as possible. Smart meters, insulation and solar hot-water systems are cited as examples of the type of spending to be promoted.

The letter claims that firms and households under invest in energy efficiency, but that claim is controversial. Firms have every incentive to minimise unnecessary costs and there is little evidence that they systematically fail to do so. As for households, some are constrained in their access to credit and cannot finance investments that would otherwise seem worthwhile at market interest rates. However, it is reasonable to believe that what investment funds those households do have are allocated efficiently among competing uses, including energy efficiency.

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First published in The Australian on December 10, 2008.



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About the Author

Henry Ergas is chairman of Concept Economics. His new book is Wrong Number: Resolving Australia's Telecommunications Impasse (Allen & Unwin).

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