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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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INCOME RECEIVED BUT NOT EARNED

The three types of income received but not earned (IRBNE) are Social Security payments, unemployment compensation payments, and welfare payments. These are three key transfer payments from the government sector to the household sector. The basic goal of transfer payments is to transfer a portion of the income earned by the factors of production (because they HAVE income) to other members of the household sector (who presumably NEED more income than they have). IRBNE is added to national income to derive personal income.

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ORANGE REBELOON
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Today, you are likely to spend a great deal of time searching the newspaper want ads hoping to buy either a microwave over that won't burn your popcorn or a T-shirt commemorating the first day of winter. Be on the lookout for neighborhood pets, especially belligerent parrots.
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This isn't me! What am I?

Lombard Street is London's equivalent of New York's Wall Street.
"Be willing to have it so. Acceptance of what has happened is the first step to overcoming the consequences of any misfortune."

-- William James, Psychologist

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American Economic Association
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