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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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AGGREGATE EXPENDITURES The total expenditures on gross domestic product undertaken in a given time period by the four sectors--household, business, government, and foreign. Expenditures made by each of these sectors are commonly termed consumption expenditures, investment expenditures, government purchases, and net exports. Aggregate expenditures (AE) are a cornerstone in the study of macroeconomics, playing critical roles in Keynesian economics, aggregate market analysis, and to a lesser degree, monetarism. In particular, aggregate expenditures are combined with the price level as aggregate demand.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time going from convenience store to convenience store hoping to buy either arch supports for your shoes or an AC adapter that works with your MPG player. Be on the lookout for empty parking spaces that appear to be near the entrance to a store.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"Success is where preparation and opportunity meet." -- Bobby Unser, Race car driver
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AFC
Average Fixed Cost
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