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BARRIER TO ENTRY: 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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AGGREGATE DEMAND SHIFTS Changes in the aggregate demand determinants cause the aggregate demand curve to shift. The mechanism is comparable to that for market demand determinants and market demand. There are two alternatives--an increase in aggregate demand and a decrease in aggregate demand. An increase in spending by any of the four sectors--household, business, government, and foreign--shifts the aggregate demand curve to right. A decrease in spending by these four sectors shifts the aggregate demand curve to left.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a replacement remote control for your television or a replacement nozzle for your shower. Be on the lookout for jovial bank tellers.
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The word "fiscal" is derived from a Latin word meaning "moneybag."
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"Argue for your limitations, and sure enough, they're yours." -- Richard Bach
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CPI-W
Consumer Price Index-Urban Wage Earners and Clerical Workers
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