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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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COINCIDENT ECONOMIC INDICATORS

Four economic statistics that tend to move up or down along WITH business-cycle expansions and contractions. Most importantly, these measures indicate peak and trough turning points when they actually occur. Coincident economic indicators are one of three groups of economic measures used to track business-cycle activity. The other two are leading economic indicators and lagging economic indicators.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time searching for a specialty store looking to buy either a wall poster commemorating last Friday (you know why) or a country wreathe. Be on the lookout for telephone calls from long-lost relatives.
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Okun's Law posits that the unemployment rate increases by 1% for every 2% gap between real GDP and full-employment real GDP.
"Every man must decide whether he will walk in the light of creative altruism or in the darkness of destructive selfishness."

-- Martin Luther King, Jr., clergyman

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