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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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INTERCEPT, AGGREGATE EXPENDITURES LINE The intercept of the aggregate expenditures line indicates autonomous expenditures, aggregate expenditures that do not depend on the level of income or production. This can be thought of as aggregate expenditures that the four macroeconomic sectors (household, business, government, and foreign) undertake regardless of the state of the economy. Autonomous expenditures are affected by the aggregate expenditures determinants, which cause a change in the intercept and a shift of the aggregate expenditures line.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club hoping to buy either a pair of handcrafted oven mitts or a coffee table shaped like the state of Florida. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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The first U.S. fire insurance company was established by Benjamin Franklin in 1752 in Philadelphia.
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"Difficulties mastered are opportunities won. " -- Winston Churchill, Statesman
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CRSP
Center for Research in Security Prices
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