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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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CONSUMPTION RIVALRY Whether or not the consumption of a particular good by one person prevents simultaneous consumption by another person. In other words, does consumption impose an opportunity cost on others. Rival consumption occurs if the consumption by one imposes an opportunity cost on others because others are prevented from consuming the good. Nonrival consumption occurs if the consumption by one does not impose an opportunity cost on others because others are not prevented from consuming the good. When combined with nonpayer excludability, the result is four alternative types of goods -- private, public, common-property, and near-public.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites seeking to buy either a T-shirt commemorating the 2000 Olympics or a genuine fake plastic Tiffany lamp. Be on the lookout for a thesaurus filled with typos.
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This isn't me! What am I?
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"If I'm selecting a group, the first thing I look for is a record of achievement . . . If (candidates achieve) in small things, there's a very good chance they'll perform well in big things. " -- Edmund Hillary, explorer
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WACM
Weak Axiom of Cost Minimization
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