The efficient market hypothesis argues that current stock prices reflect all existing available information, making them fairly valued as they are presently. Given these assumptions, outperforming the ...

Learn how behaviorists explain market inefficiencies through human psychology. Discover key concepts in behavioral economics and finance that challenge rational models.

The efficient market hypothesis is based on the notion that prices for securities or assets in a market are always reflective of all information available to investors. The efficient market hypothesis ...

I began this article with the goal of addressing an academic notion, the efficient-market hypothesis, or EMH. My research dissuaded me. In one University of Chicago article, a faculty member questions ...

The Efficient Market Hypothesis (EMH) has retreated from bold claims of efficiency to a weaker defense that abandons its original claims. The "nihilist defense" simply asserts most active managers ...