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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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INVESTMENT, PRODUCTION POSSIBILITIES

Investment typically refers to the purchase of productive capital by business in anticipation of increasing production and (presumably) generating more profit. More generally, investment can be considered as sacrificing the current satisfaction of wants and needs (consumption goods) to expand productive capability (capital goods). Production possibilities analysis can be used to illustrate the tradeoff between consumption and capital as a movement along a production possibilities curve.

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BROWN PRAGMATOX
[What's This?]

Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius wanting to buy either a pair of designer sunglasses or looseleaf notebook paper. Be on the lookout for bottles of barbeque sauce that act TOO innocent.
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This isn't me! What am I?

A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
"I can feel guilty about the past, apprehensive about the future, but only in the present can I act."

-- Abraham Maslow, Psychologist

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Longitudinal Research Database
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