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S&P 500: The abbreviation for the Standard & Poor's 500, an index of the prices of 500 corporate stocks traded on the New York Stock Exchange. It includes an assortment of stocks for industrial, transportation, and utility companies. It also includes a larger number of stocks than the comparable Dow Jones composite index, which means it's often considered a better measure of the overall performance of the stock market. Less commonly publicized are separate Standard & Poor's indexes for industrial, transportation, utility, and financial stocks.

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LONG-RUN MARGINAL COST

The change in the long-run total cost of producing a good or service resulting from a change in the quantity of output produced. Like all marginals, long-run marginal cost is an increment of the corresponding total. It is the change in long-run total cost divided by, or resulting from, a change in quantity. Long-run marginal cost is guided by returns to scale rather than marginal returns.

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PURPLE SMARPHIN
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Today, you are likely to spend a great deal of time searching the newspaper want ads seeking to buy either a pair of leather sandals that won't cause blisters or clothing for your kitty cats. Be on the lookout for letters from the Internal Revenue Service.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
"The will to win is important, but the will to prepare is vital. "

-- Joe Paterno, football coach

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