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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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CAPITAL STOCK, AGGREGATE SUPPLY DETERMINANT One of several specific aggregate supply determinants assumed constant when the aggregate supply curves (both long run and short run) are constructed, and which shifts the aggregate supply curves when it changes. An increase in the capital stock causes an increase (rightward shift) of both aggregate supply curves. A decrease in the capital stock causes a decrease (leftward shift) of both aggregate supply curves. Other notable aggregate supply determinants include the technology, energy prices, and the wages. Capital stock comes under the resource quantity aggregate supply determinant.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway hoping to buy either a combination CD player, clock radio, and telephone (with answering machine) or a revolving spice rack. Be on the lookout for strangers with large satchels of used undergarments.
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This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"The secret of getting things done is to act! " -- Dante Alighieri, poet
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VAR
Vector Autoregression
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