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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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RECESSION

A phase of the business cycle characterized by a general period of declining economic activity. A recession is one of two basic business cycle phases. The other is expansion. The transition from recession to expansion is termed a trough and the transition from expansion to recession is termed a peak. The technical term for recession, which is generally used by economists and policy makers, is contraction.

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Today, you are likely to spend a great deal of time at the confiscated property police auction trying to buy either a coffee cup commemorating the 1960 Presidential election or a how-to book on fixing your computer, with illustrations. Be on the lookout for strangers with large satchels of used undergarments.
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A communal society, a prime component of Karl Marx's communist philosophy, was advocated by the Greek philosophy Plato.
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