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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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AVERAGE TOTAL COST CURVE

A curve that graphically represents the relation between average total cost incurred by a firm in the short-run product of a good or service and the quantity produced. The average total cost curve is constructed to capture the relation between average total cost and the level of output, holding other variables, like technology and resource prices, constant. The average total cost curve is one of three average curves. The other two are average variable cost curve and average fixed cost curve. A related curve is the marginal cost curve.

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APLS

GREEN LOGIGUIN
[What's This?]

Today, you are likely to spend a great deal of time looking for the new strip mall out on the highway hoping to buy either a bottle of blackcherry flavored spring water or a travel case for you toothbrush. Be on the lookout for jovial bank tellers.
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This isn't me! What am I?

Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
"Nothing great has ever been achieved except by those who dared believe that something inside them was superior to circumstances. "

-- Bruce Barton, Advertising executive

IJIO
International Journal of Industrial Organization
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