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ENTRY BARRIER: 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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WORLD VIEW

An aspect of a scientific theory that includes fundamental, and unverifiable, axioms, beliefs, and values about how the world works. One example of an unverifiable world view axiom is belief in the existence of a supreme, omnipotent, omniscience being--that is, God. Political philosophies, which are essential to economic theories and policies, are intertwined with alternative world views.

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Today, you are likely to spend a great deal of time browsing through a long list of dot com websites looking to buy either a small palm tree that will fit on your coffee table or several magazines on fashion design. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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More money is spent on gardening than on any other hobby.
"Our goals can only be reached through a vehicle of a plan, in which we must fervently believe, and upon which we must vigorously act. There is no other route to success. "

-- Pablo Picasso, artist

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