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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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VOTING PROBLEMS

Voting is a key source of government inefficiency because it can fail to provided leaders with a valid indication of society's preferences. Part of the inefficiency rests with utility-maximizing decisions of the voters, who choose rational ignorance (not to be informed) and rational abstention (not to participate), both of which lead to voter apathy and influential special interest groups. Part of the inefficiency rests with the voting process, which results in importance of the median voter, inconsistency of the voting paradox, and logrolling (vote-trading ) among voters.

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BROWN PRAGMATOX
[What's This?]

Today, you are likely to spend a great deal of time flipping through the yellow pages hoping to buy either several magazines on computer software or a T-shirt commemorating the second moon landing. Be on the lookout for telephone calls from long-lost relatives.
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The first paper currency used in North America was pasteboard playing cards "temporarily" authorized as money by the colonial governor of French Canada, awaiting "real money" from France.
"The more you praise and celebrate your life, the more there is in life to celebrate."

-- Oprah Winfrey

PIH
Permanent Income Hypothesis
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