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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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ENTREPRENEURIAL BEHAVIOR

A preference for changing the status quo over maintaining it based on relatively greater satisfaction generated by novel information over redundant information. Entrepreneurial behavior underlies the inclination to undertake invention and innovation, including the creation of something new as well as the distribution and adoption of the new throughout society. It is the behavior most likely exhibited by entrepreneurship. An alternative is managerial behavior, which is a preference for maintaining the status quo over changing it.

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Today, you are likely to spend a great deal of time touring the new suburban shopping complex seeking to buy either clothing for your pet iguana or a set of hubcaps. Be on the lookout for the last item on a shelf.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
"The roots of education are bitter, but the fruit is sweet."

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