Paul Krugman just did something mind-bending.
Business Insider reports on a Bloomberg TV interview with hedge fund legend Stan Druckenmiller that helped crystallize in my mind what, exactly, I find so appalling about people who say that we must tighten monetary policy to avoid bubbles — even in the face of high unemployment and low inflation.
Druckenmiller blames Alan Greenspan’s loose-money policies for the whole disaster; that’s a highly dubious proposition, in fact rejected by all the serious studies I’ve seen. (Remember, the ECB was much less expansionary, but Europe had just as big a housing bubble; I vote for Minsky’s notion that financial systems run amok when people forget about risk, not because central bankers are a bit too liberal)
Krugman correctly identifies the mechanism here — prior to 2008, people forgot about risk. But why did people forget about risk, if not for the Greenspan put? Central bankers were perfectly happy to take credit for the prolonged growth and stability while the good times lasted. …