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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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LAW OF DIMINISHING MARGINAL RETURNS A principle of short-run production stating that as a firm combines more of a variable input with a fixed input, the marginal product of the variable input eventually declines. This is THE economic principle underlying the analysis of short-run production for a firm. It offers an explanation for the law of supply and the positive slope of the market supply curve.
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BLUE PLACIDOLA
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Today, you are likely to spend a great deal of time at a flea market looking to buy either a graduation present for your niece or nephew or a toaster oven that has convection cooking. Be on the lookout for rusty deck screws.
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This isn't me! What am I?
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Al Capone's business card said he was a used furniture dealer.
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"All labor that uplifts humanity has dignity and importance and should be undertaken with painstaking excellence. " -- Martin Luther King Jr., civil rights leader
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SBDC
Small Business Development Center
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