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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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PERFECT COMPETITION, MARGINAL ANALYSIS

A perfectly competitive firm produces the profit-maximizing quantity of output that equates marginal revenue and marginal cost. This marginal approach is one of three methods that used to determine the profit-maximizing quantity of output. The other two methods involve the direct analysis of economic profit or a comparison of total revenue and total cost.

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BLUE PLACIDOLA
[What's This?]

Today, you are likely to spend a great deal of time looking for a downtown retail store seeking to buy either a set of tires or a birthday gift for your grandfather. Be on the lookout for gnomes hiding in cypress trees.
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The standard "debt" notation I.O.U. does not mean "I owe you," but actually stands for "I owe unto..."
"A leader, once convinced that a particular course of action is the right one, must . . . be undaunted when the going gets tough."

-- President Ronald Reagan

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