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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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ECONOMIC GROWTH, SOURCES

Economic growth, the process of increasing the economy's ability to produce goods and services, can be achieved by increasing the quantity or quality of resources. The quantity option can include increases in the quantities of labor, capital, land, or entrepreneurship. The quality option primarily includes improvements in technology and human capital.

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YELLOW CHIPPEROON
[What's This?]

Today, you are likely to spend a great deal of time browsing through a long list of dot com websites hoping to buy either looseleaf notebook paper or a three-hole paper punch. Be on the lookout for neighborhood pets, especially belligerent parrots.
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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.
"If anything terrifies me, I must try to conquer it. "

-- Francis Charles Chichester, yachtsman, aviator

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