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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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AGGREGATE EXPENDITURES The total expenditures on gross domestic product undertaken in a given time period by the four sectors--household, business, government, and foreign. Expenditures made by each of these sectors are commonly termed consumption expenditures, investment expenditures, government purchases, and net exports. Aggregate expenditures (AE) are a cornerstone in the study of macroeconomics, playing critical roles in Keynesian economics, aggregate market analysis, and to a lesser degree, monetarism. In particular, aggregate expenditures are combined with the price level as aggregate demand.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area seeking to buy either a New York Yankees baseball cap or several magazines on home repairs. Be on the lookout for the happiest person in the room.
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This isn't me! What am I?
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"Democracy is based on the conviction that man has the moral and intellectual capacity . . . to govern himself with reason and justice. " -- Harry Truman, 33rd U.S. president
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ARIMA
Autoregressive Integrated Moving Average
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