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 ...

The famed efficient market hypothesis, or EMH, is widely accepted by academics and modern investors. The hypothesis states that stock prices reflect all available information at any given time ...

Theme of the Lecture: when can institutions not improve efficiency? When can we not improve upon market outcomes? Coase Theorem: Efficiency and Bargaining -- closely related to value maximization.

The idea that market prices reflect the latest data and information available to the public is known as price efficiency. Price efficiency refers to the idea that the price of a security or asset ...

“The Less-Efficient Market Hypothesis.” Asness’s article — forthcoming in the Journal of Portfolio Management — amounts to a ...