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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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MONEY

Anything that is generally accepted in exchange as payment for goods and services. The emphasis is on "any" because any item or asset can serve as money so long as it is generally accepted in payment throughout an economy. While the key function of money is to act as a medium of exchange, money also functions as a store of value, standard unit of account, and standard of deferred payment

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time at a garage sale wanting to buy either a bookshelf that will fit in your closet or a birthday greeting card for your grandfather. Be on the lookout for small children selling products door-to-door.
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In the early 1900s around 300 automobile companies operated in the United States.
"Never confuse a single defeat with a final defeat."

-- F. Scott Fitzgerald, writer

S&D
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