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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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UNCERTAINTY The observation and recognition that information, especially information about the future, is not known. While any number of events might occur in the future, uncertainty exists because which specific events will occur is unknown. A related concept is risk, which is assigning probabilities to potential future outcomes. Uncertainty is a central component in the economic study of information.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time strolling through a department store trying to buy either a rechargeable battery for your cell phone or a T-shirt commemorating the 2000 Olympics. Be on the lookout for high interest rates.
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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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"One worthwhile task carried to a successful conclusion is worth half-a-hundred half-finished tasks. " -- Malcolm S. Forbes, publisher
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BEA
Bureau of Economic Analisys
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