However, one last caution. What has happened in Japan for 12 long years warns that an affluent society like America’s might not be immune to a self d… - Paul Samuelson

From the beginning I could not believe that the “efficient market” hypothesis was dependent on a pure Brownian motion white noise or any truly random random walk. Place a minuscule colloidal molecule on a horizontal table that covers unlimited acres. Bombard it from every direction with thousands of minute atoms; and then if you wait long enough that original molecule can have traveled a billion miles in one direction. That’s truly a random Bachelier-Einstein walk, but not my notion of economic fluctuations.

We economists love to quote Keynes’s final lines in his 1936 General Theory—for the reason that they cater so well to our vanity and self-importance. But to admit the truth, madmen in authority can self generate their own frenzies without needing help from either defunct or avant-garde economists. What establishment economists brew up is as often what the Prince and the Public are already wanting to imbibe. We guys don’t stay in the best club by proffering the views of some past academic crank or academic sage.

What then is it that, since 2007, has caused Wall Street capitalism's own suicide? At the bottom of this worst financial mess in a century is this: Milton Friedman-Friedrich Hayek libertarian laissez-faire capitalism, permitted to run wild without regulation. This is the root source of today's travails. Both of these men are dead, but their poisoned legacies live on.