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AGGREGATE DEMAND CURVE: A graphical representation of the relation between aggregate expenditures on real production and the price level, holding all ceteris paribus aggregate demand determinants constant. The aggregate demand, or AD, curve is one side of the graphical presentation of the aggregate market. The other side is occupied by the aggregate supply curve (which is actually two curves, the long-run aggregate supply curve and the short-run aggregate supply curve). The negative slope of the aggregate demand curve captures the inverse relation between aggregate expenditures on real production and the price level. This negative slope is attributable to the interest-rate effect, real-balance effect, and net-export effect.
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POINT ELASTICITY The relative responsiveness of a change in one variable (call it B) to an infinitesimally small change in another variable (call it A). The notion of point elasticity typically comes into play when discussing the elasticity at a specific point on a curve.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads wanting to buy either a square lamp shade with frills along the bottom or an electric coffee pot with automatic shutoff. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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A scripophilist is one who collects rare stock and bond certificates, usually from extinct companies.
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"The greatest glory in living lies not in never falling, but in rising every time we fall. " -- Nelson Mandela, statesman
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CES
Constant Elasticity of Substitution
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