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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 concept should be contrasted directly with a change in real production. You might also want to review the terms change in quantity supplied and change in supply, as well. The change in aggregate supply is comparable to the change in market supply. A change in aggregate supply is a change in ALL price level-real production combinations, meaning that each price level is matched up with a different level of real production (which is then illustrated as a shift of the short-run or long-run aggregate supply curve). This change in aggregate supply is caused by a change in any of the aggregate supply determinants. In contrast, a change in real production is a change from one price level-real production combination to the another.
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IMPORTS LINE A graphical depiction of the relation between imports bought from the foreign sector and the domestic economy's aggregate level of income or production. This relation is most important for deriving the net exports line, which plays a minor, but growing role in the study of Keynesian economics. An imports line is characterized by vertical intercept, which indicates autonomous imports, and slope, which is the marginal propensity to import and indicates induced imports. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the net exports line, derived as the difference between the exports line and imports line, onto the consumption line, after adding investment expenditures and government purchases.
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In his older years, Andrew Carnegie seldom carried money because he was offended by its sight and touch.
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"When we do the best that we can, we never know what miracle is wrought in our life, or in the life of another." -- Helen Keller
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M Imports
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