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PERFECT COMPETITION, REALISM: Perfect competition is an idealized market structure that does NOT exist in the real world. While some real world industries might come relatively close to one or two of the four key characteristics of perfect competition, none matches all four sufficiently that they can be declared PERFECTLY competitively. Some industries come close on the large number of small firms and the identical product characteristics. A few industries have relatively good, although not perfect, information about prices and technology. However, almost all industries fall far short of the perfect mobility characteristics.
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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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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store wanting to buy either decorative picture frames or storage boxes for your income tax returns. Be on the lookout for slow moving vehicles with darkened windows.
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The average length of a "business lunch" is about 36 minutes.
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"If you are going to achieve excellence in big things, you develop the habit in little matters. Excellence is not an exception, it is a prevailing attitude. " -- Colin Powell, general
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AFC
Average Fixed Cost
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