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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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FIRM

An organization that combines scarce resources for the production and supply of goods and services. The firm is used by entrepreneurs to bring together otherwise idle resources. The term firm is often used synonymously with the business, enterprise, or company. If there is a difference, a firm is functionally defined and need not be a typical for-profit business. A firm can be profit oriented, nonprofit, privately owned, or government controlled.

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Today, you are likely to spend a great deal of time searching the newspaper want ads trying to buy either income tax software or a how-to book on the art of negotiation. Be on the lookout for infected paper cuts.
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More money is spent on gardening than on any other hobby.
"The vacuum created by failure to communicate will quickly be filled with rumor, misrepresentations, drivel and poison. "

-- C. Northcote Parkinson, historian

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