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HERFINDAHL-HIRSHMAN INDEX: 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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THIRD ESTATE

Another term for consumers and the household sector. This is one of four divisions of society based on economic function. The other three are government as the first estate, businesses as the second estate, and journalists as the fourth estate.

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Today, you are likely to spend a great deal of time at an auction seeking to buy either a birthday greeting card for your uncle or a T-shirt commemorating the 2000 Presidential election. Be on the lookout for malfunctioning pocket calculators.
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Mark Twain said "I wonder how much it would take to buy soap buble if there was only one in the world."
"The truth of the matter is that you always know the right thing to do. The hard part is doing it."

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