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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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TOTAL REVENUE CURVE, PERFECT COMPETITION A curve that graphically represents the relation between the total revenue received by a perfectly competitive firm for selling its output and the quantity of output sold. It is combined with a perfectly competitive firm's total cost curve to determine economic profit and the profit maximizing level of production. The slope of the total revenue curve is marginal revenue.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors wanting to buy either a coffee cup commemorating the 2000 Olympics or a birthday gift for your grandmother. Be on the lookout for strangers with large satchels of used undergarments.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
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"Failure is the opportunity to begin again, more intelligently. " -- Henry Ford, automobile manufacturer
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SDR
Special Drawing Right
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