Efficient-market hypothesis
id:
efficient-market-hypothesis-229-2919957
title:
Efficient-market hypothesis
text:
The efficient-market hypothesis (EMH) is a hypothesis in financial economics that states that asset prices reflect all available information. A direct implication is that it is impossible to "beat the market" consistently on a risk-adjusted basis since market prices should only react to new information. Because the EMH is formulated in terms of risk adjustment, it only makes testable predictions when coupled with a particular model of risk. As a result, research in financial economics since at l
brand slug:
wiki
category slug:
encyclopedia
description:
Economic theory that asset prices fully reflect all available information
original url:
https://en.wikipedia.org/wiki/Efficient-market_hypothesis
date created:
2003-01-03T16:03:45Z
date modified:
2024-09-15T13:58:04Z
main entity:
{"identifier":"Q724931","url":"https://www.wikidata.org/entity/Q724931"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/2/27/Ball_brown_martineau_v2.png","width":2446,"height":1618}
fields total:
13
integrity:
16