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CHANGE IN AGGREGATE EXPENDITURES: The movement along an aggregate demand curve caused by a change in the price level. This should be contrasted directly with a change in aggregate demand. You might also want to review the terms change in quantity demanded and change in demand, as well. A change in aggregate expenditures means that we have identified a NEW level of expenditures on the existing aggregate demand curve. In contrast, a change in aggregate demand means that we have changed, moved, or shifted, the entire aggregate demand curve, the whole range of price levels and aggregate expenditures has changed.

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PERFECTLY INELASTIC

An elasticity alternative in which changes in one variable (usually price) do NOT cause any changes in another variable (usually quantity). Quantity is totally, completely unresponsive to price. Quantity just does not change, regardless of changes in price. This characterization of elasticity is most important for the price elasticity of demand and the price elasticity of supply. Perfectly inelastic is one of five elasticity alternatives. The other four are perfectly elastic, relatively elastic, relatively inelastic, and unit elastic.

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BEIGE MUNDORTLE
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Today, you are likely to spend a great deal of time visiting every yard sale in a 30-mile radius wanting to buy either a flower arrangement with anything but tulips for your grandfather or a birthday greeting card for your mother that doesn't look like a greeting card. Be on the lookout for crowded shopping malls.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
"Think not of yourself as the architect of your career but as the sculptor. Expect to have to do a lot of hard hammering and chiseling and scraping and polishing. "

-- B. C. Forbes, founder, Forbes magazine

QLR
Quasi-Likelihood Ratio
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