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ENTRY BARRIER: An institutional, government, technological, or economic restriction on the entry of firms into a market or industry. The four primary barriers to entry are: resource ownership, patents and copyrights, government restrictions, and start-up costs. Barriers to entry are a key reason for market control and the inefficiency that this generates. In particular, monopoly, oligopoly, monopsony, and oligopsony often owe their market control to assorted barriers to entry. By way of contrast, perfect competition, monopolistic competition, and monopsonistic competition have few if any barriers to entry and thus little or no market control.
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KEYNESIAN AGGREGATE SUPPLY CURVE An aggregate supply curve--a graphical representation of the relation between real production and the price level--that reflects the basic principles of Keynesian economics. The Keynesian aggregate supply curve actually comes in two versions. The basic version is reverse-L shaped, with a horizontal segment connected to a vertical segment at a sharp corner. The modified version is also reverse-L shaped, but the vertical and horizontal segments have positive slopes and connecting corner is rounded. An alternative is the classical aggregate supply curve.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs wanting to buy either a key chain with a built-in flashlight and panic button or a green and yellow striped sweater vest. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
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"Anyone who has never made a mistake has never tried anything new. " -- Albert Einstein, physicist
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EMU
European Monetary Union
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