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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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ECONOMICS A social science that studies the allocation of limited resources used to produce the goods and services that satisfy unlimited consumer wants and needs. Economics is one of several social sciences (others are sociology, political science, and anthropology) which applies the scientific method to human behavior. The distinguishing feature of economics is a concern with the fundamental problem of scarcity--unlimited wants and needs and limited resources. Economics is commonly divided into two branches--macroeconomics and microeconomics.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads wanting to buy either a square lamp shade with frills along the bottom or an electric coffee pot with automatic shutoff. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
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"The greatest glory in living lies not in never falling, but in rising every time we fall. " -- Nelson Mandela, statesman
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ALAC
Latin American Free Trade Area
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