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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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UTILITY

The satisfaction of wants and needs obtained from the use or consumption of goods and services. The terms utility and satisfaction are, for the most part, used interchangeably in economics. The concept of utility is integral to utility analysis, consumer demand theory, and the microeconomic analysis of consumer behavior and market demand.

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Today, you are likely to spend a great deal of time searching for rummage sales seeking to buy either a looseleaf notebook binder or hand lotion, a big bottle of hand lotion. Be on the lookout for crowded shopping malls.
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
"Confidence . . . thrives on honesty, on honor, on the sacredness of obligations, on faithful protection and on unselfish performance. Without them it cannot live."

-- President Franklin Delano Roosevelt

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