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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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EXCHANGE RATES, AGGREGATE DEMAND DETERMINANT One of several specific aggregate demand determinants assumed constant when the aggregate demand curve is constructed, and that shifts the aggregate demand curve when it changes. An increase in exchanges rates causes an increase (rightward shift) of the aggregate curve. A decrease in the exchanges rates causes a decrease (leftward shift) of the aggregate curve. Other notable aggregate demand determinants include interest rates, the money supply, inflationary expectations, consumer confidence, and the federal deficit.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either a case for your designer sunglasses or arch supports for your shoes. Be on the lookout for defective microphones.
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This isn't me! What am I?
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Cyrus McCormick not only invented the reaper for harvesting grain, he also invented the installment payment for selling his reaper.
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"Man is born to live, not to prepare for life. " -- Boris Pasternak, writer
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SMA
Structural Moving Average
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