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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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INVESTMENT BORROWING

The acquisition of funds through the financial markets by the business sector which are used to finance investment expenditures on capital goods. In terms of the simple circular flow model, this is one of two basic demands for household saving diverted into financial markets. The other is government borrowing.

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APLS

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Today, you are likely to spend a great deal of time wandering around the shopping mall hoping to buy either a microwave over that won't burn your popcorn or a T-shirt commemorating the first day of winter. Be on the lookout for pencil sharpeners with an attitude.
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Before 1933, the U.S. dime was legal as payment only in transactions of $10 or less.
"Give the American people a good cause, and there's nothing they can't lick. "

-- John Wayne, actor

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Marginal Propensity to Save
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