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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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AGGREGATE DEMAND INCREASE, SHORT-RUN AGGREGATE MARKET A shock to the short-run aggregate market caused by an increase in aggregate demand, resulting in and illustrated by a rightward shift of the aggregate demand curve. An increase in aggregate demand in the short-run aggregate market results in an increase in the price level and an increase in real production. The level of real production resulting from the shock can be greater or less than full-employment real production.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time searching for rummage sales hoping to buy either a weathervane with a chicken on top or a flower arrangement with daisies and carnations for your uncle. Be on the lookout for telephone calls from former employers.
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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
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"There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle." -- Albert Einstein
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CPI
Consumer Price Index
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