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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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PLANT

The physical capital (building and equipment) at a particular location used for the production of goods and services. A plant, or factory, is usually a relatively large production operation (compared with something smaller, like a shop). While plant and firm are occasionally used synonymously, a given firm might own more than one plant and a given plant might be owned by more than one firm.

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Today, you are likely to spend a great deal of time searching for rummage sales wanting to buy either a rim for your spare tire or decorative celebrity figurines. Be on the lookout for deranged pelicans.
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The first "Black Friday" on record, a friday marked by a major financial catastrophe, occurred on September 24, 1869 -- A FRIDAY -- when an attempted cornering of the gold market induced a financial crises and economy-wide depression.
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