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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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SIGNALLING When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Signalling is used by those with more information to reduce the cost of informing those with less information. It is commonly used in markets with adverse selection. Methods of signalling include advertising, brand names, and warranties. A related method is screening.
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BEIGE MUNDORTLE
[What's This?]
Today, you are likely to spend a great deal of time at a garage sale wanting to buy either a large stuffed brown and white teddy bear or a replacement washer for your kitchen faucet. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"He, who every morning plans the transactions of the day, and follows that plan, carries a thread that will guide him through a labyrinth of the most busy life." -- Victor Hugo, Writer
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L/C
Letter of Credit
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