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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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MARGINAL UTILITY The additional utility obtained from the consumption or use of an additional unit of a good. It is specified as the change in total utility divided by the change in quantity. Marginal utility indicates what each additional unit of a good is worth to a consumer and provides a theoretical basis for understanding market demand and the law of demand. Marginal utility generally declines with increased consumption of a good, a reflection of the law of diminishing marginal utility.
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Today, you are likely to spend a great deal of time surfing the Internet looking to buy either a birthday gift for your aunt or a pair of leather sandals that won't cause blisters. Be on the lookout for deranged pelicans.
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The portrait on the quarter is a more accurate likeness of George Washington than that on the dollar bill.
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"Nothing great has ever been achieved except by those who dared believe that something inside them was superior to circumstances. " -- Bruce Barton, Advertising executive
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AEA
American Economic Association
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