The efficient market hypothesis claims market prices reflect all known info, making outperformance tough. Critics argue that stock valuations depend on expectations about future cash flows, not ...

The famed efficient market hypothesis, or EMH, is widely accepted by academics and modern investors. ... A 1973 research paper showed that between 1953 and 1970, ...

Eugene Fama, University of Chicago economist and father of the efficient market hypothesis, has long been a thorn in the side of active stock managers.His Nobel Prize-winning research dating back ...

So Much for Efficiency. 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 ...

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.

The Efficient Market Hypothesis (EMH) ... However, research has found that its conclusions are generally correct: a low-cost, passive portfolio will, on average, ...

For them, as well as for long-suffering investors who pay attention to fundamental value, I recommend a recent article by Cliff Asness, founder of AQR Capital Management: "The Less-Efficient ...

The Efficient Market Hypothesis stated across all markets simultaneously is false, but there is a lot of nuance, ... market valuation levels, etc. Research shows that this portfolio, ...

The efficient market hypothesis is just “a model”, Fama stresses. “It’s got to be wrong to some extent.” “The question is whether it is efficient for your purpose.