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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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MARGINAL PHYSICAL PRODUCT The change in the quantity of total physical product resulting from a unit change in a variable input, keeping all other inputs unchanged. Marginal physical product, usually abbreviated MPP, is found by dividing the change in total physical product by the change in the variable input. Marginal physical product, which more often goes by the name marginal product (MP), is one of two measures derived from total physical product. The other is average physical product.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time at a flea market trying to buy either a how-to book on meeting people or clothing for your pet iguana. Be on the lookout for strangers with large satchels of used undergarments.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
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"When we do the best we can, we never know what miracle is wrought in our life or in the life of another. " -- Helen Keller, lecturer, author
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NYSE
New York Stock Exchange
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