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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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COMPARATIVE STATICS The technique of comparing the equilibrium resulting from a change in a determinant, or shock to a model, with the equilibrium that existed prior to the change. Comparative statics is the primary analytical technique used in the study of economics.
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GRAY SKITTERY
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Today, you are likely to spend a great deal of time at an auction hoping to buy either decorative celebrity figurines or a flower arrangement with anything but tulips for your grandfather. Be on the lookout for the last item on a shelf.
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The first "Black Friday" on record, a friday marked by a major financial catastrophe, occurred on September 24, 1869 -- A FRIDAY -- when an attempted cornering of the gold market induced a financial crises and economy-wide depression.
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"Chance favors only the prepared mind." -- Louis Pasteur, biologist
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G10
Group of Ten
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