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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 EQUATION An equation that summarizes the four aggregate expenditures on gross domestic product by the four macroeconomic sectors. In the study of Keynesian economics, this equation is commonly used to summarize the demand side of the macroeconomy. The aggregate expenditures equation actually comes in three different versions depending on how many of the four sectors and their expenditures are included.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers hoping to buy either an AC adapter for your CD player or storage boxes for your family photos. Be on the lookout for defective microphones.
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This isn't me! What am I?
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Lombard Street is London's equivalent of New York's Wall Street.
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"Don't judge each day by the harvest you reap but by the seeds that you plant. " -- Robert Louis Stephenson, writer
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TSP
Time Series Econometrics (software)
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