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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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PERSONAL CONSUMPTION EXPENDITURES

The official item in the National Income and Product Accounts maintained by the Bureau of Economics Analysis that measures household consumption expenditures on gross domestic product. Personal consumption expenditures are far and away the largest and most stable of the four expenditures, averaging about 65 to 70 percent of gross domestic product. The other official expenditures included in the National Income and Product Accounts are gross private domestic investment, government consumption expenditures and gross investment, and net exports of goods and services.

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Today, you are likely to spend a great deal of time at a flea market hoping to buy either a how-to book on building remote controlled airplanes or an extra large beach blanket. Be on the lookout for defective microphones.
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Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"My motto was always to keep swinging. Whether I was in a slump or feeling badly or having trouble off the field, the only thing to do was keep swinging. "

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