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AGGREGATE DEMAND DETERMINANT: A ceteris paribus factor that affects aggregate demand, but which is assumed constant when the aggregate demand curve is constructed. Changes in any of the aggregate demand determinants cause the aggregate demand curve to shift. While a wide variety of specific ceteris paribus factors can cause the aggregate demand curve to shift, it's usually most convenient to group them into the four, broad expenditure categories -- consumption, investment, government purchases, and net exports. The reason is that changes in these expenditures are the direct cause of shifts in the aggregate demand curve. If any determinant affects aggregate demand it MUST affect one of these four expenditures.
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ARC ELASTICITY The average elasticity for discrete changes in two variables. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of initial and ending values of each variable, rather than initial values. Arc elasticity is generally calculated using the midpoint elasticity formula. The contrast to arc elasticity is point elasticity. For infinitesimally small changes in two variables, arc elasticity is the same as point elasticity.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time searching for a specialty store hoping to buy either clothing for your pet dog or an ink cartridge for your printer. Be on the lookout for celebrities who speak directly to you through your television.
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In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
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"One worthwhile task carried to a successful conclusion is worth half-a-hundred half-finished tasks. " -- Malcolm S. Forbes, publisher
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PPI
Producer Price Index
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