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 ...

Mainstream economics and finance theories hold that markets immediately adjust to new information. While market prices do ...

Forbes contributors publish independent expert analyses and insights. Carrie McCabe reports on asset management, strategy, and investing. In his September 2024 paper, The Less-Efficient Market ...

Fama is captain of Team Efficient Markets and Thaler is captain of Team Behavioral Finance. Each represents conflicting academic market philosophies that have been warring for years. Market efficiency ...

The return on equity and its more expansive variant, the return on invested capital, measure what a company is making on the capital it has invested in business, and is a measure of business quality.

Weak form market efficiency is a concept that suggests past stock prices and trading volumes do not predict future stock prices. In a weak form efficient market, all historical information is already ...

Discover how market anomalies challenge efficient market theory by exhibiting unusual stock patterns. Learn about recurring phenomena and potential impact on investments.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. When people talk about market efficiency, ...

Following the COVID-19 pandemic, Korea’s unemployment rate has remained significantly lower than pre-pandemic levels. This paper examines the dynamics of unemployment through a framework of labor ...