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ENTRY BARRIERS: Institutional, government, technological, or economic restrictions 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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SLOPE, SHORT-RUN AGGREGATE SUPPLY CURVE The positive slope of the short-run aggregate supply curve, reflecting the direct relation between the price level and real production, results for three primary reasons--inflexible resources, frictional and structural unemployment, and purchasing power imbalances.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time strolling through a department store trying to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for door-to-door salesmen.
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This isn't me! What am I?
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There were no banks in colonial America before the U.S. Revolutionary War. Anyone seeking a loan did so from another individual.
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"Inside the ring or out, ain't nothing wrong with going down. It's staying down that's wrong. " -- Muhammad Ali
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ADR
American Depositary Receipt, Asset Depreciation Range
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