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Roll's critique is a famous analysis of the validity of empirical tests of the capital asset pricing model (CAPM) by Richard Roll.It concerns methods to formally test the statement of the CAPM, the equation
Price theory was a significant aspect of his legacy as a teacher, and he taught the subject from 1946 to 1964 and again from 1972 to 1976. Notable economists who took Friedman's price theory course include James M. Buchanan , Gary Becker , and Robert Lucas Jr. , all of whom later became Nobel laureates.
Asymmetric price transmission (sometimes abbreviated as APT and informally called "rockets and feathers" , also known as asymmetric cost pass-through) refers to pricing phenomenon occurring when downstream prices react in a different manner to upstream price changes, depending on the characteristics of upstream prices or changes in those prices.
In finance, arbitrage pricing theory (APT) is a multi-factor model for asset pricing which relates various macro-economic (systematic) risk variables to the pricing of financial assets. Proposed by economist Stephen Ross in 1976, [ 1 ] it is widely believed to be an improved alternative to its predecessor, the capital asset pricing model (CAPM ...
The cobweb model or cobweb theory is an economic model that explains why prices may be subjected to periodic fluctuations in certain types of markets. It describes cyclical supply and demand in a market where the amount produced must be chosen before prices are observed.
The Theory of Price is a book written by George Stigler. The book was first published in 1946, as a revision and expansion of The Theory of Competitive Price (1942), and has since been revised and reprinted several times (1942, 1946, 1952, 1966, and 1987). The book covers a range of topics related to microeconomics.
The theory that stock prices move randomly was earlier proposed by Maurice Kendall in his 1953 paper, The Analysis of Economic Time Series, Part 1: Prices. [4] In 1993 in the Journal of Econometrics , K. Victor Chow and Karen C. Denning published a statistical tool (known as the Chow–Denning test) for checking whether a market follows the ...
A duopoly in theory could have the same effect as a monopoly on pricing within a market if they were to collude on prices and or output of goods. Oligopsony, a market where many sellers can be present but meet only a few buyers. Example: Cocoa producers