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HERFINDAHL 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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VOTING PARADOX

The possibility that the voting preferences of a group of individuals results in an inconsistent, or intransitive, ranking. While consistent, or transitive, ranking of preferences is expected for individuals, such might not occur for groups of voters. If a consumer prefers good A to good B and good B to good C, then it makes logical sense that the consumer also prefers good A to good C. The voting paradox arises because a group of individuals might prefer A to B and B to C, but then prefer C to A, an inconsistent and intransitive ranking of preferences. Other related voting problems identified by the study of public choice includes the median voter principle, logrolling, and voter apathy (due to rational ignorance and rational abstention).

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ORANGE REBELOON
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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors trying to buy either a computer that can play music and burn CDs or a T-shirt commemorating last Friday (you know why). Be on the lookout for fairy dust that tastes like salt.
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General Electric is the only stock from the original 1896 Dow Jones Industrial Average remaining in the current index.
"You don't have to see the top of the staircase to take the first step.¾ "

-- Martin Luther King, civil rights leader

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