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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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SELF CORRECTION, MARKET

The automatic process in which markets adjust from disequilibrium to equilibrium. With this self-correction process, the market price either increases or decreases in response to a shortage or a surplus to restore the balance between quantity demanded and quantity supplied. This process works automatically to achieve equilibrium without the need for outside intervention, such as government regulation.

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Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either a cell phone case or a pair of designer sunglasses. Be on the lookout for the happiest person in the room.
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The first U.S. fire insurance company was established by Benjamin Franklin in 1752 in Philadelphia.
"Do you want to be safe and good, or do you want to take a chance and be great?"

-- Jimmy Johnson, Football Coach

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