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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 SUPPLY DECREASE, LONG-RUN AGGREGATE MARKET

A shock to the long-run aggregate market caused by a decrease in aggregate supply, resulting in and illustrated by a leftward shift of the long-run aggregate supply curve. A decrease in aggregate supply in the long-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 is a smaller level of full-employment real production.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time surfing the Internet looking to buy either a small palm tree that will fit on your coffee table or several magazines on fashion design. Be on the lookout for jovial bank tellers.
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
"As the births of living creatures at first are ill-shapen, so are all innovations, which are the births of time. "

-- Sir Francis Bacon, philosopher

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