Thursday, October 25, 2007


This article is more about discipline.

Survival of the Richest
Survival of the Richest

by Andrew W. Lo

In financial markets, as in many human endeavors, there’s a battle between reason and madness. On one side are the disciples of the efficient-markets hypothesis: the notion that markets fully, accurately, and instantaneously incorporate all relevant information into prices. These adherents assume that market participants are rational, always acting in their own interest and making mathematically optimal decisions. On the other side are the champions of behavioral economics: a younger discipline that points to bubbles, crashes, panics, manias, and other distinctly unreasonable phenomena as evidence of irrationality.