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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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CHANGE IN DEMAND A shift of the demand curve caused by a change in one of the demand determinants. A change in demand is caused by any factor affecting demand EXCEPT price. A related, but distinct, concept is a change in quantity demanded.
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BROWN PRAGMATOX
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Today, you are likely to spend a great deal of time at a garage sale trying to buy either a rechargeable battery for your camera or a coffee cup commemorating the first day of spring. Be on the lookout for vindictive digital clocks with revenge on their minds.
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Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
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"A leader, once convinced that a particular course of action is the right one, must . . . be undaunted when the going gets tough." -- President Ronald Reagan
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MFN
Most-Favoured Nation
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