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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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BARTER ECONOMY An economy that trades goods and services predominately using barter exchanges rather than money. Barter economies predated the invention of money, emerging out the early stage of self-sufficiency before giving way to the use of commodity money. However, barter economies occasionally surface in modern times, especially when the public loses confidence in the monetary unit during a government crises or a period of hyperinflation.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time at an auction wanting to buy either a bottle of blackcherry flavored spring water or a travel case for you toothbrush. Be on the lookout for the last item on a shelf.
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In the late 1800s and early 1900s, almost 2 million children were employed as factory workers.
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"I don't know the key to success, but the key to failure is trying to please everybody. " -- Bill Cosby
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BEA
Bureau of Economic Analisys
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