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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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AVERAGE PRODUCT AND MARGINAL PRODUCT A mathematical connection between average product and marginal product stating that the change in the average product depends on a comparison between the average product and marginal product. If marginal product is less than average product, then average product declines. If marginal product is greater than average product, then average product rises. If marginal product is equal to average product, then average product does not change.
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GRAY SKITTERY [What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale trying to buy either 500 feet of telephone cable or a package of 4 by 6 index cards, the ones with lines. Be on the lookout for crowded shopping malls. Your Complete Scope
This isn't me! What am I?
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A lump of pure gold the size of a matchbox can be flattened into a sheet the size of a tennis court!
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"My future starts when I wake up every morning . . . Every day I find something creative to do with my life. " -- Miles Davis, musician
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CRRA Constant Relative Risk Aversion
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