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A POSTERIORI: A conclusion reached through logical reasoning based on facts and observations about the real world. This notion is closely related to the scientific verification of hypotheses and the identification of principles. A similar sounding, but opposite term is a prior, which is a unverified presumption made before an analysis is undertaken. For example, in the study of economics of crime you might assume, a priori, that people are basically "good", and conclude, a posteriori, that people are more likely to commit crimes when the threat of capture and conviction is lower.
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PERFECT COMPETITION, REALISM: Perfect competition is an idealized market structure that does NOT exist in the real world. While some real world industries might come relatively close to one or two of the four key characteristics of perfect competition, none matches all four sufficiently that they can be declared PERFECTLY competitively. Some industries come close on the large number of small firms and the identical product characteristics. A few industries have relatively good, although not perfect, information about prices and technology. However, almost all industries fall far short of the perfect mobility characteristics. See also | perfect competition | perfect competition, characteristics | perfect competition, efficiency | perfect competition, demand |
Recommended Citation:PERFECT COMPETITION, REALISM, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2018. [Accessed: October 17, 2018].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: perfect competition, realism
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KEYNESIAN MODEL A macroeconomic model based on the principles of Keynesian economics that is used to identify the equilibrium level of, and analyze disruptions to, aggregate production and income. This model identifies equilibrium aggregate production and income as the intersection of the aggregate expenditures line and the 45-degree line. The Keynesian model comes in three basic variations designated by the number of macroeconomic sectors included--two-sector, three-sector, and four sector. The Keynesian model is also commonly presented in the form of injections and leakages in addition to the standard aggregate expenditures format. This model is used to analyze several important topics and issues, including multipliers, business cycles, fiscal policy, and monetary policy.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads trying to buy either a birthday greeting card for your father or a T-shirt commemorating the first day of spring. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"Do what you feel in your heart to be right ‚ for you'll be criticized anyway. You'll be damned if you do and damned if you don't. " -- Eleanor Roosevelt, first lady
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EMA
Econometrica
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