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PERFECT COMPETITION AND EFFICIENCY: Perfect competition is the idealized market structure that achieves an efficient allocation of resources. The conditions of perfect competition, including (1) large number of small firms, (2) identical products sold by all firms, (3) freedom of entry into and exit out of the industry, and (4) perfect knowledge of prices and technology, ensure that perfect competition efficiently allocates resources. This is in fact the purpose of perfect competition: a market structure that illustrates perfection, the best of all possible resource allocation worlds. The real world falls short of this perfection.

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AGGREGATE DEMAND DECREASE, SHORT-RUN AGGREGATE MARKET

A shock to the short-run aggregate market caused by a decrease in aggregate demand, resulting in and illustrated by a leftward shift of the aggregate demand curve. A decrease in aggregate demand in the short-run aggregate market results in a decrease 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

ORANGE REBELOON
[What's This?]

Today, you are likely to spend a great deal of time flipping through the yellow pages looking to buy either a large, stuffed kitty cat or a cross-cut paper shredder. Be on the lookout for florescent light bulbs that hum folk songs from the sixties.
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This isn't me! What am I?

A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
"There are only two ways to live your life. One is as though nothing is a miracle. The other is as though everything is a miracle."

-- Albert Einstein

BJE
Bell Journal of Economics
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