I'm not sure most of the people that get caught up in the middle of a bubble can be described as irrational. It seems pretty rational to buy a house and flip it in the next few weeks at a profit when that's been happening for along time.
Paul SamuelsonThe sad truth is that it is precisely those who disagree most with the hypothesis of efficient market pricing of stocks, those who pooh-pooh beta analysis and all that, who are least able to understand the analysis needed to test that hypothesis.
Paul SamuelsonThat's what I would like to do until the end of time, to go on scribbling my articles on the third floor of the Sloan Building, in between playing tennis and drinking coffee at my other study in the Concord Avenue branch of Burger King.
Paul SamuelsonTo prove that Wall Street is an early omen of movements still to come in GNP, commentators quote economic studies alleging that market downturns predicted four out of the last five recessions. That is an understatement. Wall Street indexes predicted nine out of the last five recessions! And its mistakes were beauties.
Paul Samuelson