efficient markets theory

efficient markets theory
( EMT)
Principle that all assets are correctly priced by the market, and that there are no bargains. Bloomberg Financial Dictionary

Financial and business terms. 2012.

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  • efficient markets hypothesis — EMH The theory that abnormal profit cannot be made by investing in Securities in a *market in which information is shared by all participants. There are three forms of efficient markets: (i) a strong form, in which the prices of Securities fully… …   Auditor's dictionary

  • efficient markets hypothesis — A theory holding that transactors in financial markets cannot make abnormal returns on the basis of exploiting information, since market prices incorporate all available information. The economist Eugene Fama has defined three categories of… …   Accounting dictionary

  • efficient markets hypothesis — A central theory of modern finance holding that transactors in financial markets cannot make abnormal returns on the basis of exploiting information, since market prices incorporate all available information. The economist Eugene Fama defined… …   Big dictionary of business and management

  • Efficient-market hypothesis — Financial markets Public market Exchange Securities Bond market Fixed income Corporate bond Government bond Municipal bond …   Wikipedia

  • Theory of the firm — The theory of the firm consists of a number of economic theories that describe the nature of the firm, company, or corporation, including its existence, behavior, structure, and relationship to the market.[1] Contents 1 Overview 2 Background …   Wikipedia

  • Bubble Theory — A school of thought that believes that the prices of assets can temporarily rise far above their true values and that these bubbles are easily identifiable. Former Federal Reserve Chairman Alan Greenspan famously coined the term irrational… …   Investment dictionary

  • Modern portfolio theory — Portfolio analysis redirects here. For theorems about the mean variance efficient frontier, see Mutual fund separation theorem. For non mean variance portfolio analysis, see Marginal conditional stochastic dominance. Modern portfolio theory (MPT) …   Wikipedia

  • Competition law theory — covers the strands of thought relating to competition law or antitrust policy. Contents 1 Classical perspective 2 Neo classical synthesis 3 Chicago School 4 Othe …   Wikipedia

  • The theory of a second-best solution — concerns the events that happen when a condition for an optimal outcome isn t met. In that case a second best solution should be sought. But the second best solution isn t always the one where every other condition is met except the one missing… …   Wikipedia

  • Dumb agent theory — The dumb agent theory (DAT) states that many people making individual buying and selling decisions will better reflect true value than any one individual can. In finance this theory is predicated on the efficient market hypothesis (EMH). One of… …   Wikipedia

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