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OLIGOPOLY, CONCENTRATION: Oligopoly is a market structure that contains a small number of relatively large firms, meaning oligopoly markets tend to be concentrated. A small number of large firms account for a majority of total output. Concentration unto itself is not necessarily bad, but it often leads to inefficient behavior, such as collusion and nonprice competition. Concentration is measured in three ways--market share, concentration ratio, Herfindahl index.

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SUPPLY INCREASE

An increase in the willingness and ability of sellers to sell a good at the existing price, illustrated by a rightward shift of the supply curve. An increase in supply is caused by a change in a supply determinant and results in an increase in equilibrium quantity and a decrease in equilibrium price. A supply increase is one of two supply shocks to the market. The other is a supply decrease.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a wall poster commemorating the 2000 Presidential election or a rechargeable flashlight. Be on the lookout for vindictive digital clocks with revenge on their minds.
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The first U.S. fire insurance company was established by Benjamin Franklin in 1752 in Philadelphia.
"I believe that every right implies a responsibility, every opportunity, an obligation, every possession, a duty. "

-- John D. Rockefeller, industrialist

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