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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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FLEXIBLE PRICES The proposition that prices adjust in the long run in response to market shortages or surpluses. This condition is most important for long-run macroeconomic activity and long-run aggregate market analysis. In particular, flexible prices are the key reason for the vertical slope of the long-run aggregate supply curve. This proposition is also central to the original classical theory of macroeconomics and to modern variations, including rational expectations, new classical theory, and supply-side economics.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads hoping to buy either storage boxes for your winter clothes or several magazines on time travel. Be on the lookout for letters from the Internal Revenue Service.
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The word "fiscal" is derived from a Latin word meaning "moneybag."
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"A genius is a talented person who does his homework." -- Thomas Edison
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WTO
World Trade Organization
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