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HHI: The common abbreviation for the Herfindahl-Hirshman index (or the Herfindahl index), which is a measure of concentration of the production in an industry that's calculated as the sum of the squares of market shares for each firm. This is an alternative method of summarizing the degree to which an industry is oligopolistic and the relative concentration of market power held by the largest firms in the industry. The Herfindahl index gives a better indication of the relative market control of the largest firms than can be found with the four-firm and eight-firm concentration ratios.

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TOTAL VARIABLE COST CURVE

A curve that graphically represents the relation between total variable cost incurred by a firm in the short-run production of a good or service and the quantity produced. When constructing this curve, it is assumed that total variable cost changes as a result of changes in the quantity of output produced, while other variables like technology and resource prices are held fixed. The total variable cost curve is one of three total cost curves, the other two are total cost curve and total fixed cost curve.

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Today, you are likely to spend a great deal of time surfing the Internet wanting to buy either a pair of designer sunglasses or looseleaf notebook paper. Be on the lookout for high interest rates.
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General Electric is the only stock from the original 1896 Dow Jones Industrial Average remaining in the current index.
"The tragedy of life is not so much what men suffer, but rather what they miss. "

-- Thomas Carlyle, Historian

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