“Stock prices have reached what looks like a permanently high plateau.”
—Irving Fisher, New York Times, October 16, 1929
We all know what happened on October 24, 1929, just eight days after Professor Fisher’s bullish prediction, when the Wall Street Crash ushered in the Great Depression, ruining the great economist’s reputation. In hindsight, it is easy to spot the irrational exuberance exhibited in the run up to the greatest economic crisis in modern times. However, the fact remains that Professor Fisher was far from the only economist who expressed this opinion.