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AGGREGATE EXPENDITURE EQUATION: An equation indicating that aggregate expenditures (AE) are the sum of consumption expenditures (C), investment expenditures (I), government purchases (G), and net exports (X-M), stated as: AE = C + I + G + (X-M). This equation surfaces in the Keynesian economic income-expenditure model in the form of the aggregate expenditures line. However, it's also central throughout the study of macroeconomics, including aggregate demand and the measurement of gross domestic product.
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AVERAGE VARIABLE COST Total variable cost per unit of output, found by dividing total variable cost by the quantity of output. When compared with price (per unit revenue), average variable cost (AVC) indicates whether or not a profit-maximizing firm should shut down production in the short run. Average variable cost is one of three average cost concepts important to short-run production analysis. The other two are average total cost and average fixed cost. A related concept is marginal cost.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time at an auction wanting to buy either a package of 3 by 5 index cards, the ones without lines or a blue mechanical pencil. Be on the lookout for crowded shopping malls.
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The earliest known use of paper currency was about 1270 in China during the rule of Kubla Khan.
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"Failure will never overtake me if my determination to succeed is strong enough." -- Og Mandino, Author and Speaker
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MSE
Mean Square Error
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