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GOVERNMENT PURCHASES LINE: A graphical depiction of the relation between government purchases and national income (or gross domestic product) that plays a role in Keynesian economics and the Keynesian cross. The slope of this line is positive, greater than zero, less than one, and goes by the name marginal propensity for government purchases. The vertical intercept of this line is autonomous government purchases. The aggregate expenditures line used in the Keynesian cross is obtained by adding this government purchases line, as well as, investment expenditures and net exports, to the consumption line. The government purchases line is also combined with investment expenditures for the Keynesian saving-investment model.

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LONG-RUN AGGREGATE SUPPLY CURVE

A graphical representation of the long-run relation between real production and the price level, holding all ceteris paribus aggregate supply determinants constant. The long-run aggregate supply curve, abbreviated LRAS, is one of two curves that graphically capture the supply-side of the aggregate market. The other is the short-run aggregate supply curve. The demand-side of the aggregate market is occupied by the aggregate demand curve. The vertical long-run aggregate supply curve captures the independent relation between real production and the price level that exists in the long run.

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Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either several magazines on computer software or a T-shirt commemorating the second moon landing. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
"It is very rare that you meet with obstacles in this world (that) the humblest man has not the faculties to surmount. "

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