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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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ENDPOINT ELASTICITY FORMULA A simple technique for calculating the coefficient of elasticity by estimating the elasticity for discrete changes in two variables using the initial values of each. The distinguishing characteristic of this formula is that percentage changes are calculated based on the initial values of each variable. An alternative technique is the midpoint elasticity formula.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time watching the shopping channel hoping to buy either a package of 4 by 6 index cards, the ones with lines or a 50 foot extension cord. Be on the lookout for letters from the Internal Revenue Service.
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This isn't me! What am I?
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Lewis Carroll, the author of Alice in Wonderland, was the pseudonym of Charles Dodgson, an accomplished mathematician and economist.
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"When one door closes another door opens; but we do often look so long and so regretfully upon the closed door, that we do not see the ones which open for us. " -- Alexander Graham Bell, inventor
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QJE
Quarterly Journal of Economics
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