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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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AUTONOMOUS GOVERNMENT PURCHASES

Government purchases by the government sector that do not depend on income or production (especially national income or gross domestic product). That is, changes in income do not generate changes in government purchases. Autonomous government purchases are best thought of as government purchases that the government sector undertake independent of income. They are measured by the intercept term of the government purchases line. The alternative to autonomous government purchases is induced government purchases, which do depend on income.

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Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors looking to buy either a wall poster commemorating the 2000 Olympics or a flower arrangement with a lot of roses for your grandmother. Be on the lookout for gnomes hiding in cypress trees.
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
"We should never allow ourselves to be bullied by an either-or. There is often the possibility of something better than either of those two alternatives. "

-- Mary Parker Follett, management coach

WFTU
World Federation of Trade Unions
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