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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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INTERCEPT, INVESTMENT LINE

The intercept of the investment line indicates autonomous investment, investment that does not depend on the level of income or production. This can be thought of as investment that the business sector undertakes regardless of the state of the economy. Autonomous investment is affected by the investment expenditures determinants, which cause a change in the intercept and a shift of the investment line.

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BLACK DISMALAPOD
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Today, you are likely to spend a great deal of time at a crowded estate auction seeking to buy either decorative picture frames or storage boxes for your income tax returns. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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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.
"Be civil to all; sociable to many; familiar with few; friend to one; enemy to none. "

-- Benjamin Franklin, statesman

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