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Joseph E. Stiglitz on Capitalist Fools

Behind the debate over remaking U.S. financial policy will be a debate over who's to blame. It's crucial to get the history right, writes a Nobel-laureate economist, identifying five key mistakes-under Reagan, Clinton, and Bush II-and one national delusion.

There will come a moment when the most urgent threats posed by the credit crisis have eased and the larger task before us will be to chart a direction for the economic steps ahead. This will be a dangerous moment. Behind the debates over future policy is a debate over history-a debate over the causes of our current situation. The battle for the past will determine the battle for the present. So it's crucial to get the history straight.

What were the critical decisions that led to the crisis? Mistakes were made at every fork in the road-we had what engineers call a "system failure," when not a single decision but a cascade of decisions produce a tragic result. Let's look at five key moments.

No. 1: Firing the Chairman

In 1987 the Reagan administration decided to remove Paul Volcker as chairman of the Federal Reserve Board and appoint Alan Greenspan in his place. Volcker had done what central bankers are supposed to do. On his watch, inflation had been brought down from more than 11 percent to under 4 percent. In the world of central banking, that should have earned him a grade of A+++ and assured his re-appointment. But Volcker also understood that financial markets need to be regulated. Reagan wanted someone who did not believe any such thing, and he found him in a devotee of the objectivist philosopher and free-market zealot Ayn Rand.

Greenspan played a double role. The Fed controls the money spigot, and in the early years of this decade, he turned it on full force. But the Fed is also a regulator. If you appoint an anti-regulator as your enforcer, you know what kind of enforcement you'll get. A flood of liquidity combined with the failed levees of regulation proved disastrous.

Greenspan presided over not one but two financial bubbles. After the high-tech bubble popped, in 2000-2001, he helped inflate the housing bubble. The first responsibility of a central bank should be to maintain the stability of the financial system. If banks lend on the basis of artificially high asset prices, the result can be a meltdown-as we are seeing now, and as Greenspan should have known. He had many of the tools he needed to cope with the situation. To deal with the high-tech bubble, he could have increased margin requirements (the amount of cash people need to put down to buy stock). To deflate the housing bubble, he could have curbed predatory lending to low-income households and prohibited other insidious practices (the no-documentation-or "liar"-loans, the interest-only loans, and so on). This would have gone a long way toward protecting us. If he didn't have the tools, he could have gone to Congress and asked for them.

Of course, the current problems with our financial system are not solely the result of bad lending. The banks have made mega-bets with one another through complicated instruments such as derivatives, credit-default swaps, and so forth. With these, one party pays another if certain events happen-for instance, if Bear Stearns goes bankrupt, or if the dollar soars. These instruments were originally created to help manage risk-but they can also be used to gamble. Thus, if you felt confident that the dollar was going to fall, you could make a big bet accordingly, and if the dollar indeed fell, your profits would soar. The problem is that, with this complicated intertwining of bets of great magnitude, no one could be sure of the financial position of anyone else-or even of one's own position. Not surprisingly, the credit markets froze.

Here too Greenspan played a role...

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