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KEYNESIAN THEORY: A theory of macroeconomics developed by John Maynard Keynes built on the proposition that aggregate demand is the primary source of business cycle instability, especially recessions. The basic structure of the Keynesian theory of economics was initially presented in Keynes' book The General Theory of Employment, Interest, and Money (1936).

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CONCENTRATION RATIOS

A family of measures of the proportion of total output in an industry that is produced by a given number of the largest firms in the industry. The two most common concentration ratios are for the four largest firms and the eight largest firms. The four-firm concentration ratio is the proportion of total output produced by the four largest firms in the industry and the eight-firm concentration ratio is proportion of total output produced by the eight largest firms in the industry. Concentration ratios are commonly used to indicate the degree to which an industry is oligopolistic and the extent of market control of the largest firms in the industry. A related measure is the Herfindahl index.

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Today, you are likely to spend a great deal of time lost in your local discount super center trying to buy either a cell phone case or a pair of designer sunglasses. Be on the lookout for broken fingernail clippers.
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A half gallon milk jug holds about $50 in pennies.
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