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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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AGGREGATE EXPENDITURES LINE A graphical depiction of the relation between aggregate expenditures by the four macroeconomic sectors (household, business, government, and foreign) and the level of aggregate income or production. In Keynesian economics, the aggregate expenditures line is the essential component of the Keynesian cross analysis used to identify equilibrium income and production. Like any straight line, the aggregate expenditures line is characterized by vertical intercept, which indicates autonomous expenditures, and slope, which indicates induced expenditures. The aggregate expenditures line used in Keynesian economics is derived by adding or stacking investment, government purchases, and net exports to the consumption line.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites trying to buy either a 50-foot blue garden hose or a turbo-powered vacuum cleaner. Be on the lookout for telephone calls from long-lost relatives.
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More money is spent on gardening than on any other hobby.
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"There is no point at which you can say, „Well, I'm successful now. I might as well take a nap.¾" -- Carrie Fisher, actress, writer
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SBA
Small Business Administration
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