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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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RATIONING The distribution or allocation of a limited commodity, usually accomplished based on a standard or criterion. The two primary methods of rationing are markets and governments. Rationing is needed due to the scarcity problem. Because wants and needs are unlimited, but resources are limited, available commodities must be rationed out to competing uses.
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BEIGE MUNDORTLE
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center seeking to buy either a graduation present for your niece or nephew or a toaster oven that has convection cooking. Be on the lookout for fairy dust that tastes like salt.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"Believe one who has tried it. " -- Virgil, Roman poet
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WPO
Weakly Pareto Optimal
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