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July 15, 2026 

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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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SCARCE

A condition in which a given good or resource is limited relative to its desired uses. This is a special condition of the general condition of scarcity. A scarce good or resource is typically exchanged through markets and carries a positive price.

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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time flipping through mail order catalogs looking to buy either a rechargeable battery for your camera or a coffee cup commemorating the first day of spring. Be on the lookout for rusty deck screws.
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A half gallon milk jug holds about $50 in pennies.
"The time to repair the roof is when the sun is shining."

-- John F. Kennedy, 35th U. S. president

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