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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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SLOPE, NET EXPORTS LINE The negative slope of the net exports line is based on the marginal propensity to import (MPM). Because net exports are exports minus imports, the induced change in imports causes an opposite change in net exports. As such, the slope of the net exports line is negative, less than zero (but greater than negative one). The slope of the net exports line affects the slope of the aggregate expenditures line and thus also affects the magnitude of the multiplier process.
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GREEN LOGIGUIN
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Today, you are likely to spend a great deal of time strolling through a department store wanting to buy either a case of blank recordable DVDs or a pair of red goulashes with shiny buckles. Be on the lookout for the happiest person in the room.
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"No man, for any considerable time, can wear one face to himself and another to the multitude without finally getting bewildered as to which may be true." -- Nathanial Hawthorne, Author
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IBRD
International Bank for Reconstruction and Development
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