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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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SEASONAL UNEMPLOYMENT

Unemployment attributable to relatively regular and predictable declines in particular industries or occupations over the course of a year, often corresponding with the climatic seasons. Unlike cyclical unemployment, which may or may not occur at any given time, seasonal unemployment is an essential part of many jobs. For example, a regular, run-of-the-mill, department store Santa Clause can count on 11 months of unemployment each year. Seasonal unemployment is one of four unemployment sources. The other three are cyclical unemployment, frictional unemployment, and structural unemployment.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites trying to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for rusty deck screws.
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
"In a time of drastic change, it is the learners who inherit the future. "

-- Eric Hoffer, philosopher

GSP
Gross State Product, Generalized System of Preferences
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