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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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PERSONAL TAX AND NONTAX PAYMENTS

The official item in the National Income and Product Accounts maintained by the Bureau of Economics Analysis measuring the personal income taxes paid to the government sector on personal income received by the household sector. Personal tax and nontax payments are subtracted from personal income (PI) to calculate disposable income (DI). Personal tax and nontax payments are about 15 percent of personal income and about 13 percent of gross domestic product.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either a wall poster commemorating the moon landing or storage boxes for your winter clothes. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
"In every man's life there lies latent energy. There is, however, a spark that, if kindled, will set the whole being afire, and he will become a human dynamo, capable of accomplishing almost anything to which he aspires. "

-- James Cash Penney, retailer

LRMC
Long Run Marginal Cost
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