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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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AVERAGE FACTOR COST CURVE, MONOPSONY

A curve that graphically represents the relation between average factor cost incurred by a firm for employing an input and the quantity of input used. Because average factor cost is essentially the price of the input, the average factor cost curve is also the supply curve for the input. The average factor cost curve for a firm with no market control is horizontal. The average factor cost curve for a firm with market control is positively sloped.

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APLS

BROWN PRAGMATOX
[What's This?]

Today, you are likely to spend a great deal of time watching infomercials looking to buy either a 50-foot blue garden hose or a turbo-powered vacuum cleaner. Be on the lookout for telephone calls from long-lost relatives.
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This isn't me! What am I?

The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
"The art of leadership is saying no, not yes. It is very easy to say yes. "

-- Tony Blair, British prime minister

MGF
Moment Generating Function
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