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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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PERFECT COMPETITION, SHORT-RUN SUPPLY CURVE

A perfectly competitive firm's supply curve is that portion of its marginal cost curve that lies above the minimum of the average variable cost curve. A perfectly competitive firm maximizes profit by producing the quantity of output that equates price and marginal cost. As such, the firm moves along its positively-sloped marginal cost curve in response to changing prices.

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APLS

YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time flipping through the yellow pages trying to buy either a how-to book on fixing your computer, with illustrations or several magazines on computer software. Be on the lookout for telephone calls from long-lost relatives.
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Junk bonds are so called because they have a better than 50% chance of default, carrying a Standard & Poor's rating of CC or lower.
"The secret of a good memory is attention, and attention to a subject depends upon our interest in it. We rarely forget that which has made a deep impression on our minds. "

-- Tyron Edwards, theologian

LRAS
Long Run Aggregate Supply
A PEDestrian's Guide
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