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ORDINAL: A measurement based on a ranking, such as first, second, and third, that enables a relative comparison of more or less. Relative comparability means, for example, that first is more than second and second is more than third, but how much more is not known. Cardinal measures, which use a quantitative measurement scale, is an alternative type of measure. An ordinal measure can be thought of as a list for high to low, good to bad, top to bottom, and are often based on subjective evaluations of items. The notion of ordinal measurement is most often seen in the economic analysis of indifference curves and utility.
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ASSUMPTIONS, KEYNESIAN ECONOMICS The macroeconomic study of Keynesian economics relies on three key assumptions--rigid prices, effective demand, and savings-investment determinants. First, rigid or inflexible prices prevent some markets from achieving equilibrium in the short run. Second, effective demand means that consumption expenditures are based on actual income, not full employment or equilibrium income. Lastly, important savings and investment determinants include income, expectations, and other influences beyond the interest rate. These three assumptions imply that the economy can achieve a short-run equilibrium at less than full-employment production.
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During the American Revolution, the price of corn rose 10,000 percent, the price of wheat 14,000 percent, the price of flour 15,000 percent, and the price of beef 33,000 percent.
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"Always remember that striving and struggle precede success, even in the dictionary. " -- Sarah Ban Breathnach, writer
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NYMEX
New York Mercantile Exchange
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