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OLIGOPOLY CHARACTERISTICS: The three most important characteristics of oligopoly are: (1) an industry dominated by a small number of large firms, (2) firms sell either identical or differentiated products, and (3) the industry has significant barriers to entry.

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DEMAND DECREASE AND SUPPLY INCREASE

A simultaneous decrease in the willingness and ability of buyers to purchase a good at the existing price, illustrated by a leftward shift of the demand curve, and an increase in the willingness and ability of sellers to sell a good at the existing price, illustrated by a rightward shift of the supply curve. When combined, both shifts result in an indeterminant change in equilibrium quantity and a decrease in equilibrium price.

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APLS

BLUE PLACIDOLA
[What's This?]

Today, you are likely to spend a great deal of time flipping through the yellow pages seeking to buy either a pair of blue silicon oven mitts or a coffee cup commemorating the 2000 Olympics. Be on the lookout for celebrities who speak directly to you through your television.
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This isn't me! What am I?

Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
"In the long run men hit only what they aim at. "

-- Henry David Thoreau, philosopher

QJE
Quarterly Journal of Economics
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