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Keynes versus the Classics: Round Two

LONDON – The economist John Maynard Keynes wrote The General Theory of Employment, Interest, and Money (1936) to “bring to an issue the deep divergences of opinion between fellow economists which have for the time being almost destroyed the practical influence of economic theory…” Seventy years later, heavyweight economists are still at each other’s throats, in terms almost unchanged from the 1930’s.

The latest slugfest features New Keynesian champion Paul Krugman of Princeton University and New Classical champion John Cochrane of the University of Chicago. Krugman recently published a newspaper article entitled “How Did Economists Get It So Wrong?” There was nothing in mainstream economics, Krugman wrote, “suggesting the possibility of the kind of collapse that happened last year.”