Interview with Eugene Fama: Rational Irrationality : The New Yorker

Fama defends market efficiency in the following interview. Two look-ins:Interview with Eugene Fama: Rational Irrationality : The New Yorker: "It’s easy to say prices went down, it must have been a bubble, after the fact. I think most bubbles are twenty-twenty hindsight. Now after the fact you always find people who said before the fact that prices are too high. People are always saying that