Odd lot theory
Odd lot theoryThe theory that profits can be made by making trades contrary to odd-lot trading patterns, since odd-lot investors have poor timing. This theory is no longer popular.
Odd lot theory
Efficient markets theory(EMT)Efficient markets theory(EMT)
Principle that all assets are correctly priced by the market, and that there are no bargains.
Agency theoryAgency theory
The analysis of principal-agent relationships, in which one person, an agent, acts on behalf of another person, a principal.
New Trade TheoryNew Trade Theory
Models of trade that, especially in the 1980s, incorporated aspects of imperfect competition, increasing returns, and product differentiation into both general equilibrium and partial equilibrium models of trade and trade policy. Many contributed to this literature, but the most prominent was Krugman, starting with Krugman (1979).
Portfolio theoryPortfolio theory
See: Modern portfolio theory.
Dow TheoryDow Theory
Used in the context of general equities. Technical theory that a major trend in the stock market must be confirmed by simultaneous movement of the Dow Jones Industrial Average and the Dow Jones Transportation Average to new highs or lows.
Further SuggestionsModern portfolio theory
Expectations theory of forward exchange rates
Theory of second best
efficient market theory
Dow dividend theory
Elliott Wave Theory
Product cycle theory
Short interest theory
Presidential election cycle theory
Greater fool theory
Preferred habitat theory
Labor theory of value
Purchasing power parity theory
Local expectations theory
Normal backwardation theory
capital market theory