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Efficient Market Hypothesis. Efficient Market Hypothesis When establishing financial
prices, the market is usually deemed to be well-versed and clever. ...
Efficient Market Hypothesis. Stock price as a rule adjusts to new information.
A capital market is said to be efficient with respect ...
The Efficient Market Hypothesis. The Efficient ... efficiency. Strong-form efficiency
is the strictest level of the Efficient Market Hypothesis. It ...
CAPITAL MARKET ANALYSIS: A DICUSSION ON EFFICIENT MARKET HYPOTHESIS. ... ANON., 2005.
The Efficient Market Hypothesis. Investor Home [online]. ...
Efficient Market Hypothesis An. The quote shows a strong relation to the
efficient market hypothesis (EMH), as it implies that the ...
Submitted by shahimermaid on October 30, 2006
Category: Business
Words: 849 | Pages: 4
Views: 249
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Stock price as a rule adjusts to new information. A capital market is said to be efficient with respect to an information item if the prices of securities fully reflect the adjustment instantaneously and accurately. In price determination process, at any point of time, the price of a security would reflect the effect of all information relevant to that security. Any new information would lead to an immediate re-adjustment of prices, neutralizing the advantage obtained from the new information. No market participant can earn any extra-normal profits.
Fama (1970) defined an efficient market as, "A market in which prices always fully reflect' available information. It is assumed that the expected return is stationary through time". EMH is concerned with the informational efficiency of the capital markets.
In an efficient market, there are a large number of rational and profit-maximizing investors who actively compete with each other by trying to predict future market values of individual securities. One of the basic assumptions underlying the random walk theory and, therefore, EMH is that if the stock prices are random then its distribution should be normal. Beyond the normal utility maximizing agents, EMH requires the agents have rational expectations; that on average the population is correct (even if no one person is) and whenever new relevant information appears, the agents update their expectations appropriately. EMH allows that when faced with new information, some investors may overreact and some may under react. All that is required by EMH is that investors' reactions be random enough that the net effect on market prices cannot be reliably exploited to make an abnormal profit. Thus, anyone person can be wrong about the market but the market as a whole is always right. All the important current information is almost freely available to all participants in an efficient market. The only assumption that EMH can be said to depend...
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