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COLLUSION: A usually secret agreement among competing firms (mostly oligopolistic firms) in an industry to control the market, raise the market price, and otherwise act like a monopoly. The reason for the secrecy is that such behavior is illegal in the United States under antitrust laws. Collusion is a characteristic trait of oligopolistic industries. Intense competition and interdependent decision-making encourages oligopolistic firms to cooperate. One way to lessen the competition among an oligopolistic rival is to join forces through collusion. (The other way is through merger, but that's another entry.)

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AGGREGATE SUPPLY DECREASE, SHORT-RUN AGGREGATE MARKET

A shock to the short-run aggregate market caused by a decrease in aggregate supply, resulting in and illustrated by a leftward shift of the short-run aggregate supply curve. A decrease in aggregate supply in the short-run aggregate market results in an increase in the price level and a decrease in real production. The level of real production resulting from the shock can be greater or less than full-employment real production.

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APLS

YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time at a crowded estate auction looking to buy either a set of luggage with wheels or a birthday gift for your aunt. Be on the lookout for door-to-door salesmen.
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This isn't me! What am I?

Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
"The truth is not for all men, but only for those who seek it. "

-- Ayn Rand, writer

JEL
Journal of Economic Literature
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