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 ...

Citadel's Ken Griffin suggested that markets are efficient because of active managers, such as those at Citadel, who set the prices of securities through fundamental research. Griffin expressed ...

Increasing inefficiency doesn't mean that it's easier to beat the market, says Cliff Asness. The stock market will be lucky just to keep up with inflation over the next decade. Just take a look at the ...

Stock picker Ken Farsalas at Oberweis Asset Management is proving that the best way to trounce index funds is to fill your portfolio up with little known, earnings-beating companies. Eugene Fama, ...

US Vice President J.D. Vance recently claimed that free markets are a tool, rather than the purpose of American politics. But efficient markets are more than a means to an end, because they advance ...

Arbitrage is a fundamental concept in finance, playing a crucial role in determining prices for assets like currencies, ...

So why are many current market participants now so pessimistic about the potential for private market forces to improve the efficiency and outcomes of their health systems? Our analysis of respondents ...