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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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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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Today, you are likely to spend a great deal of time searching the newspaper want ads trying to buy either income tax software or a how-to book on the art of negotiation. Be on the lookout for infected paper cuts.
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Two and a half gallons of oil are needed to produce one automobile tire.
"The vacuum created by failure to communicate will quickly be filled with rumor, misrepresentations, drivel and poison. "

-- C. Northcote Parkinson, historian

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