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U-SHAPED COST CURVES: The family of short-run cost curves consisting of average total cost, average variable cost, and marginal cost, all of which have U-shapes. They are U-shaped because each has high but falling cost at low quantities of output, which then reaches a minimum, then has rising cost at larger quantities of output. Although the average fixed cost curve is not U-shaped, it's occasionally included with the other three just for sake of completeness.
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INVESTMENT LINE A graphical depiction of the relation between investment expenditures by the business sector and the economy's aggregate level of income or production. This relation plays a key role in the study of Keynesian economics. A investment line is characterized by vertical intercept, which indicates autonomous investment, and slope, which is the marginal propensity to invest and indicates induced investment. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking the investment line onto the consumption line, then adding government purchases and net exports to this stack.
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time watching infomercials trying to buy either a wall poster commemorating the 2000 Olympics or a flower arrangement with a lot of roses for your grandmother. Be on the lookout for slow moving vehicles with darkened windows.
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The penny is the only coin minted by the U.S. government in which the "face" on the head looks to the right. All others face left.
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"My future starts when I wake up every morning . . . Every day I find something creative to do with my life. " -- Miles Davis, musician
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AIO
Action Information Organization
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