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ARC ELASTICITY: The average elasticity for discrete changes in two variables, A and B. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of the initial and ending values of each variable, rather than only initial values. Arc elasticity is generally calculated using the midpoint formula. Arc elasticity should be compared with point elasticity. For infinitesimally small changes in variables A and B, arc elasticity is the same as point elasticity.
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DISSAVING Another term for negative saving the occurs during a given period of time in which consumption expenditures exceed income. Dissaving is only possible by spending past or future income on current consumption. That is, using income saved from previous periods or borrowing income to be earned in future periods. Saving is generally illustrated by the vertical difference when between the consumption line and the 45-degree line. Dissaving results when the 45-degree line lies above the consumption line.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time browsing about a thrift store hoping to buy either car battery jumper cables or a dozen high trajectory optic orange golf balls. Be on the lookout for strangers with large satchels of used undergarments.
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This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"You just don't luck into things as much as you'd like to think you do. You build step by step, whether it's friendships or opportunities. " -- Barbara Bush, first lady
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CLT
Central Limit Theorem
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