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AE LINE: Another term for aggregate expenditure line, which is 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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RESOURCE QUALITY, AGGREGATE SUPPLY DETERMINANT One of three categories of aggregate supply determinants assumed constant when the short-run or long-run aggregate supply curves are constructed, and which shifts both aggregate supply curves when it changes. An increase in a resource quality causes an increase (rightward shift) of both aggregate supply curves. A decrease in a resource quality causes a decrease (leftward shift) of both aggregate supply curves. The other two categories of aggregate supply determinants are resource quantity and resource price. Specific determinants falling into this general category include education and technology. Anything affecting the quality of labor, capital, land, and entrepreneurship is also included.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time flipping through mail order catalogs wanting to buy either a birthday gift for your father that doesn't look like every other birthday gift for your father or a green fountain pen. Be on the lookout for vindictive digital clocks with revenge on their minds.
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This isn't me! What am I?
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Al Capone's business card said he was a used furniture dealer.
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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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JEP
Journal of Economic Perspectives
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