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AGGREGATE EXPENDITURE LINE: A line representing the relation between aggregate expenditures and gross domestic product used in the Keynesian cross. The aggregate expenditure line is obtained by adding investment expenditures, government purchases, and net exports to the consumption line. As such, the slope of the aggregate expenditure line is largely based on the slope of the consumption line (which is the marginal propensity to consume), with adjustments coming from the marginal propensity to invest, the marginal propensity for government purchases, and the marginal propensity to import. The intersection of the aggregate expenditures line and the 45-degree line identifies the equilibrium level of output in the Keynesian cross.
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CHANGE IN AGGREGATE SUPPLY A shift of the short-run or long-run aggregate supply curve caused by a change in one of the aggregate supply determinants. In essence, a change in aggregate supply is caused by any factor affecting supply EXCEPT the price level. This is one of two changes related to aggregate supply. The other is a change in real production. A change in aggregate supply is comparable to a change in market supply.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time at a flea market hoping to buy either an ink cartridge for your printer or a rechargeable battery for your camera. Be on the lookout for the happiest person in the room.
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The 22.6% decline in stock prices on October 19, 1987 was larger than the infamous 12.8% decline on October 29, 1929.
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"Experience keeps a dear school, but fools will learn in no other. " -- Benjamin Franklin
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SPO
Strongly Pareto Optimal
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