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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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ALLOCATIVE EFFICIENCY

Obtaining the most consumer satisfaction from available resources. In other words, resources are allocated in such a way that consumer satisfaction is at its highest possible level. This is also termed either efficiency or economic efficiency.

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Today, you are likely to spend a great deal of time searching for rummage sales seeking to buy either a desktop calendar with all federal and state holidays highlighted or a half-dozen helium filled balloons. Be on the lookout for high interest rates.
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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AGI
Adjusted Gross Income
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