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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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PLASTIC MONEY

A slang phrase for credit cards, especially when such cards used to make purchases. The "plastic" portion of this term refers to the plastic construction of credit cards, as opposed to paper and metal of currency. The "money" portion is an erroneous reference to credit cards as a form of money, which they are not. Although credit cards do facilitate transactions, because they are a liability rather than an asset, they are not money and not part of the economy's money supply.

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Today, you are likely to spend a great deal of time flipping through the yellow pages wanting to buy either a how-to book on the art of negotiation or a flower arrangement for your aunt. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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Two and a half gallons of oil are needed to produce one automobile tire.
"Try not to become a man of success but rather to become a man of value. "

-- Albert Einstein

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