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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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MARKET CLEARING

A condition of the market in which the quantity demanded is equal to the quantity supplied, such that the market is "clear" of any shortage or surplus. Market clearing is a common, non-technical term for equilibrium. In a market graph, the market clearing is found at the intersection of the demand curve and the supply curve.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either several orange mixing bowls or clothing for your pet dog. Be on the lookout for fairy dust that tastes like salt.
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On a typical day, the United States Mint produces over $1 million worth of dimes.
"The best way to cheer yourself up is to try to cheer somebody else up."

-- Mark Twain

JRE
Journal of Regulatory Economics
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