History lesson for economists in thrall to Keynes
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There is a debate in academic circles on the lessons of the current economic crisis. While most ivory tower debates are of little concern to our daily affairs, this debate should concern you, as it will inform those who hold central bank and political power. Remember, there is no playbook of rules for what to do in deflationary, deleveraging recessions. They are making it up as they go along.

Today we have a short essay by Niall Ferguson published last week in the Financial Times. It speaks for itself, and you should take a few minutes to read it.

John Mauldin, Editor
Outside the Box

History lesson for economists in thrall to Keynes

By Niall Ferguson

On Wednesday last week, yields on 10-year US Treasuries -- generally seen as the benchmark for long-term interest rates -- rose above 3.73 per cent. Once upon a time that would have been considered rather low. But the financial crisis has changed all that: at the end of last year, the yield on the 10-year fell to 2.06 per cent. In other words, long-term rates have risen by 167 basis points in the space of five months. In relative terms, that represents an 81 per cent jump.

Most commentators were unnerved by this development, coinciding as it did with warnings about the fiscal health of the US. For me, however, it was good news. For it settled a rather public argument between me and the Princeton economist Paul Krugman.

It is a brave or foolhardy man who picks a fight with Mr Krugman, the most recent recipient of the Nobel Prize for Economics. Yet a cat may look at a king, and sometimes a historian can challenge an economist.

A month ago Mr Krugman and I sat on a panel convened in New York to discuss the financial crisis. I made the point that "the running of massive fiscal deficits in excess of 12 per cent of gross domestic product this year, and the issuance therefore of vast quantities of freshly-minted bonds" was likely to push long-term interest rates up, at a time when the Federal Reserve aims at keeping them down. I predicted a "painful tug-of-war between our monetary policy and our fiscal policy, as the markets realise just what a vast quantity of bonds are going to have to be absorbed by the financial system this year".

De haut en bas came the patronising response: I belonged to a "Dark Age" of economics. It was "really sad" that my knowledge of the dismal science had not even got up to 1937 (the year after Keynes's General Theory was published), much less its zenith in 2005 (the year Mr Krugman's macro-economics textbook appeared). Did I not grasp that the key to the crisis was "a vast excess of desired savings over willing investment"? "We have a global savings glut," explained Mr Krugman, "which is why there is, in fact, no upward pressure on interest rates."

Now, I do not need lessons about the General Theory. But I think perhaps Mr Krugman would benefit from a refresher course about that work's historical context. Having reissued his book The Return of Depression Economics, he clearly has an interest in representing the current crisis as a repeat of the 1930s. But it is not. US real GDP is forecast by the International Monetary Fund to fall by 2.8 per cent this year and to stagnate next year. This is a far cry from the early 1930s, when real output collapsed by 30 per cent. So far this is a big recession, comparable in scale with 1973-1975. Nor has globalisation collapsed the way it did in the 1930s.

Credit for averting a second Great Depression should principally go to Fed chairman Ben Bernanke, whose knowledge of the early 1930s banking crisis is second to none, and whose double dose of near-zero short-term rates and quantitative easing -- a doubling of the Fed's balance sheet since September -- has averted a pandemic of bank failures. No doubt, too, the $787bn stimulus package is also boosting US GDP this quarter.

But the stimulus package only accounts for a part of the massive deficit the US federal government is projected to run this year. Borrowing is forecast to be $1,840bn -- equivalent to around half of all federal outlays and 13 per cent of GDP. A deficit this size has not been seen in the US since the second world war. A further $10,000bn will need to be borrowed in the decade ahead, according to the Congressional Budget Office. Even if the White House's over-optimistic growth forecasts are correct, that will still take the gross federal debt above 100 per cent of GDP by 2017. And this ignores the vast off-balance-sheet liabilities of the Medicare and Social Security systems.

It is hardly surprising, then, that the bond market is quailing. For only on Planet Econ-101 (the standard macroeconomics course drummed into every US undergraduate) could such a tidal wave of debt issuance exert "no upward pressure on interest rates".

Of course, Mr Krugman knew what I meant. "The only thing that might drive up interest rates," he acknowledged during our debate, "is that people may grow dubious about the financial solvency of governments." Might? May? The fact is that people -- not least the Chinese government -- are already distinctly dubious. They understand that US fiscal policy implies big purchases of government bonds by the Fed this year, since neither foreign nor private domestic purchases will suffice to fund the deficit. This policy is known as printing money and it is what many governments tried in the 1970s, with inflationary consequences you do not need to be a historian to recall.

No doubt there are powerful deflationary headwinds blowing in the other direction today. There is surplus capacity in world manufacturing. But the price of key commodities has surged since February. Monetary expansion in the US, where M2 is growing at an annual rate of 9 per cent, well above its post-1960 average, seems likely to lead to inflation if not this year, then next. In the words of the Chinese central bank's latest quarterly report: "A policy mistake ... may bring inflation risks to the whole world."

The policy mistake has already been made -- to adopt the fiscal policy of a world war to fight a recession. In the absence of credible commitments to end the chronic US structural deficit, there will be further upward pressure on interest rates, despite the glut of global savings. It was Keynes who noted that "even the most practical man of affairs is usually in the thrall of the ideas of some long-dead economist". Today the long-dead economist is Keynes, and it is professors of economics, not practical men, who are in thrall to his ideas.

The writer is Laurence A. Tisch professor of history at Harvard University and author of The Ascent of Money (Penguin)


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Posted 06-08-2009 9:36 PM by John Mauldin

Comments

gpooley wrote re: History lesson for economists in thrall to Keynes
on 06-09-2009 10:59 AM

You can solve the problem of Krugman's arrogance the same way Julian Simon did with Paul Ehrlich. Place a wager on the price of a 10-Year T in five years. If Mr. K really believes himself, he should have no problem betting that interest rates will not rise.

travis199 wrote re: History lesson for economists in thrall to Keynes
on 06-21-2009 12:16 PM

From what I have seen and heard of Paul Krugman's pronouncements, you give him too much credit.  This guy comes across as a total fool who knows next to nothing about most things in general, and nothing about economics in specific.  Taking on him would be as easy as beating a one-legged man in a jackass-kicking contest.