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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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INTERCEPT, INVESTMENT LINE

The intercept of the investment line indicates autonomous investment, investment that does not depend on the level of income or production. This can be thought of as investment that the business sector undertakes regardless of the state of the economy. Autonomous investment is affected by the investment expenditures determinants, which cause a change in the intercept and a shift of the investment line.

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YELLOW CHIPPEROON
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Today, you are likely to spend a great deal of time driving to a factory outlet seeking to buy either a coffee cup commemorating the 2000 Olympics or a birthday gift for your grandmother. Be on the lookout for cardboard boxes.
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Paper money used by the Commonwealth of Massachusetts prior to the U.S. Revolutionary War, which was issued against the dictates of Britain, was designed by patriot and silversmith, Paul Revere.
"I don't know the key to success, but the key to failure is trying to please everybody. "

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MPI
Marginal Propensity to Invest
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