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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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UNEMPLOYMENT PROBLEMS

The two key problems resulting from unemployment of resources, especially the unemployment of labor, are personal hardships and lost production. The owners of the unemployed resources suffer personal hardships due to the lack of income. The rest of society also suffers from unemployment due to the lack of available production.

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Today, you are likely to spend a great deal of time at the confiscated property police auction trying to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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Three-forths of the gold mined each year is used to manufacture jewelry.
"The work of the individual still remains the spark that moves mankind forward. "

-- Igor Sikorsky, aeronautical engineer

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