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LERNER INDEX: The difference between price (p) and marginal cost (mc) as a fraction of price, that is [p-mc]/p. The Lerner index is usually taken as an indicator of market power because the larger the index, the larger the difference between price and marginal cost, that is, the larger the distance between the price and the competitive price. The Lerner index depends on the elasticity of demand. The Lerner index is also called the price-cost margin.
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FACTOR MARKET, EFFICIENCY A factor market achieves efficiency in the allocation of resources by equating marginal revenue product to factor price. Perfect competition, as the efficiency benchmark, is the only market structure to satisfy this criterion and achieve factor market efficiency. Monopsony, oligopsony, and monopsonistic competition are inefficient because they equate marginal revenue product to marginal factor cost, both of which are greater than factor price.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time strolling around a discount warehouse buying club seeking to buy either any book written by Isaac Asimov or a how-to book on building remote controlled airplanes. Be on the lookout for high interest rates.
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This isn't me! What am I?
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
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"How wonderful it is that nobody need wait a single moment before starting to improve the world. " -- Anne Frank, diarist
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ACBS
Accrediting Commission for Business Schools
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