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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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FIAT MONEY

A medium of exchange (money) with value in exchange, but little or no value in use. Modern paper currency, coins, and checkable deposits are fiat money. The value of fiat money comes from the public's general willingness to accept it in exchange for other goods. This willingness comes from the fact that EVERYONE is willing to accept fiat money in exchange, which largely depends on the public's confidence in the authority (usually government) issuing the fiat money. Fiat money is NOT valuable unto itself, but it is valuable for what it can buy. In the march toward economic complexity, fiat money emerged from commodity money, money with both value in exchange and value in use.

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Today, you are likely to spend a great deal of time browsing about a thrift store seeking to buy either a brown leather attache case or car battery jumper cables. Be on the lookout for slightly overweight pizza delivery guys.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
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M2 plus investment types of near monies, including large denomination certificates of deposits, institutional money market deposits, and longer term repurchase agreements and Eurodollars
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