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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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PHYSICAL WEALTH, 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 the physical wealth causes a decrease (leftward shift) of the aggregate curve. A decrease in the physical wealth causes an increase (rightward shift) of the aggregate curve. Other notable aggregate demand determinants include interest rates, federal deficit, inflationary expectations, and the money supply.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area hoping to buy either a coffee table shaped like the state of Florida or storage boxes for your summer clothes. Be on the lookout for door-to-door salesmen.
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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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"Concentration is the secret of strength in politics, in war, in trade, in short in all management of human affairs. " -- Ralph Waldo Emerson, philosopher, poet
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MGF
Moment Generating Function
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