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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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APLS

YELLOW CHIPPEROON
[What's This?]

Today, you are likely to spend a great deal of time calling an endless list of 800 numbers seeking to buy either a package of blank rewritable CDs or yellow cotton balls. Be on the lookout for malfunctioning pocket calculators.
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This isn't me! What am I?

Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"The vacuum created by failure to communicate will quickly be filled with rumor, misrepresentations, drivel and poison. "

-- C. Northcote Parkinson, historian

EFTS
Electronic Fund Transfer Systems
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