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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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AGGREGATE SUPPLY DECREASE, SHORT-RUN AGGREGATE MARKET A shock to the short-run aggregate market caused by a decrease in aggregate supply, resulting in and illustrated by a leftward shift of the short-run aggregate supply curve. A decrease in aggregate supply in the short-run aggregate market results in an increase in the price level and a decrease in real production. The level of real production resulting from the shock can be greater or less than full-employment real production.
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GRAY SKITTERY [What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers hoping to buy either a T-shirt commemorating next Thursday or a birthday gift for your uncle. Be on the lookout for slow moving vehicles with darkened windows. Your Complete Scope
This isn't me! What am I?
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The 1909 Lincoln penny was the first U.S. coin with the likeness of a U.S. President.
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"No man, for any considerable time, can wear one face to himself and another to the multitude without finally getting bewildered as to which may be true." -- Nathanial Hawthorne, Author
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FTC Federal Trade Commission
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