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AGGREGATE EXPENDITURES 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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AVERAGE-MARGINAL RELATION A mathematical connection between a marginal value and the corresponding average value stating that the change in the average value depends on a comparison between the average and the marginal. This mathematical relation between average and marginal surfaces throughout the study of economics, especially production (average product and marginal product), cost (average total cost and marginal cost), and revenue (average revenue and marginal revenue). A similar relation is that between a total value and the corresponding marginal value.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time lost in your local discount super center hoping to buy either one of those "hang in there" kitty cat posters or a velvet painting of Elvis Presley. Be on the lookout for strangers with large satchels of used undergarments.
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This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"It is part of the American character to consider nothing as desperate. " -- President Thomas Jefferson
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LME
London Metal Exchange
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