During the recent flat tax debate, interest rates on long-term municipal bonds rose relative to the rate on U.S. Treasury bonds. This was widely attributed to expectations of a reduction in future tax rates. While an axiom of finance states that current asset prices reflect expectations about...

This article assesses the current state of the efficient market hypothesis, which was the conventional wisdom among academic economists in the 1970s and most of the 1980s. It concludes that empirical evidence provides an overwhelming case against the efficient market hypothesis. The evidence...