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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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NEEDS The physiological or biological requirements for maintaining life, such as air, water, food, shelter, and sleep. Physiological needs are often contrasted with psychological wants that make life more enjoyable, but are not essential for existence.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either a box of multi-colored, plastic paper clips or several orange mixing bowls. Be on the lookout for strangers with large satchels of used undergarments.
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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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"It is not the mountain we conquer, but ourselves. " -- Sir Edmund Hillary, Explorer
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SFE
Sydney Futures Exchange
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