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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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REQUIRED RESERVES

The reserves (vault cash and Federal Reserve deposits) that banks are required by government to keep to back up deposits. The primary use of required reserves is to process daily checkable deposit transactions. The government regulator in charge of setting reserve requires is the Federal Reserve System. Required reserves are usually in the range of 3 to 10 percent for checkable deposits and substantially less (0 percent) for savings deposits. Any legal reserves held by banks over those required to back deposits, termed excess reserves or free reserves, are available for interest-generating loans.

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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites wanting to buy either a pair of blue silicon oven mitts or a coffee cup commemorating the 2000 Olympics. Be on the lookout for celebrities who speak directly to you through your television.
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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
"The roots of education are bitter, but the fruit is sweet."

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