I don’t accept the criticism that economic theory failed to provide a framework for understanding this crisis. Indeed, the papers we’re discussing today show pretty clearly why the crisis occurred and what we can do about it. The sort of economics that deserves attack is Alan Greenspan’s idealized world, in which financial markets work perfectly well on their own and don’t require government action. There are, of course, still economists – probably fewer than before – who believe in that world. But it is an extreme position and not one likely to be held by those who understand the papers we’re talking about.
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