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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 REVENUE, MONOPOLY The change in total revenue resulting from a change in the quantity of output sold. Marginal revenue indicates how much extra revenue a monopoly receives for selling an extra unit of output. It is found by dividing the change in total revenue by the change in the quantity of output. Marginal revenue is the slope of the total revenue curve and is one of two revenue concepts derived from total revenue. The other is average revenue. To maximize profit, a monopoly equates marginal revenue and marginal cost.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time at a flea market wanting to buy either a really, really exciting, action-filled video game or a coffee cup commemorating the moon landing. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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"Education is the ability to listen to almost anything without losing your temper or your self-confidence. " -- Robert Frost
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GLS
Generalized Least Squares
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