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CLASSICAL RANGE: The vertical segment of the Keynesian aggregate supply curve that reflects the independence of full-employment aggregate output (or gross domestic product) to the price level. Shifts of the aggregate demand curve in this range lead to changes in the price level, but not changes in aggregate output. Such results are consistent with classical economics, which is why this is termed the "classical" range. The other ranges of the Keynesian aggregate supply curve are the Keynesian range and the intermediate range.
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PERFECT COMPETITION: An ideal market structure characterized by a large number of small firms, identical products sold by all firms, freedom of entry into and exit out of the industry, and perfect knowledge of prices and technology. This is one of four basic market structures. The other three are monopoly, oligopoly, and monopolistic competition. Perfect competition is an idealized market structure that's not observed in the real world. While unrealistic, it does provide an excellent benchmark that can be used to analyze real world market structures. In particular, perfect competition efficiently allocates resources. See also | market structure | firm | monopoly | oligopoly | monopolistic competition | perfect competition and demand | perfect competition and efficiency | perfect competition characteristics | perfect competition and short-run supply curve | monopoly and perfect competition |
Recommended Citation:PERFECT COMPETITION, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2026. [Accessed: May 17, 2026].
AmosWEB Encyclonomic WEB*pedia:Additional information on this term can be found at: WEB*pedia: perfect competition
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ADVERSE SELECTION An inefficient, bad, or adverse outcome of a market exchange that results because buyers and/or sellers make decisions based on asymmetric information. This commonly results in a market that exchanges a lesser quality good, what is termed the market for lemons. Two related problems resulting from asymmetric information are moral hazard and the principal-agent problem. Two methods of lessoning the problem of adverse selection are signalling and screening.
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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 lazy Susan for you dining room table or a set of serrated steak knives, with durable plastic handles. Be on the lookout for slightly overweight pizza delivery guys.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"Try not to become a man of success but rather to become a man of value. " -- Albert Einstein
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WPI
Wholesale Price Index
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