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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 MARKET SHOCKS Disruptions of the equilibrium in the aggregate market (or AS-AD model) caused by shifts of the aggregate demand, short-run aggregate supply, or long-run aggregate supply curves. Shocks of the aggregate market are associated with, and thus used to analyze, assorted macroeconomic phenomena such as business cycles, unemployment, inflation, stabilization policies, and economic growth. The specific analysis of aggregate market shocks identifies changes in the price level (GDP price deflator) and real production (real GDP). Changes in the price level and real production have direct implications for the unemployment rate, the inflation rate, national income, and a host of other macroeconomic measures.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center wanting to buy either a flower arrangement for your aunt or a birthday greeting card for your uncle. Be on the lookout for cardboard boxes.
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This isn't me! What am I?
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Two and a half gallons of oil are needed to produce one automobile tire.
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"Success is liking yourself, liking what you do, and liking how you do it." -- Maya Angelou, Poet and Author
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DARA
Decreasing Absolute Risk Aversion
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