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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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TOTAL REVENUE, PERFECT COMPETITION The revenue received by a perfectly competitive firm for the sale of its output. Total revenue is one two bits of information a perfectly competitive firm needs to calculate economic profit, the other is total cost. In general, total revenue is the price times quantity--the price received for selling a good times the quantity of the good sold at that price. For a perfectly competitive firm, which receives a single unchanging price for all output sold, the calculation is relatively easy. Two other revenue measures directly related to total revenue are average revenue and marginal revenue. Total revenue is often depicted as a total revenue curve.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors wanting to buy either a rechargeable battery for your computer or shoe laces for your snow boots. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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This isn't me! What am I?
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The average bank teller loses about $250 every year.
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"When your values are clear to you, making decisions becomes easier. " -- Roy Disney, executive
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MSCI
Morgan Stanley Capital Index
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