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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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AGGREGATE DEMAND CURVE A graphical representation of the relation between aggregate expenditures on real production and the price level, holding all ceteris paribus aggregate demand determinants constant. The aggregate demand (AD) curve is one side of the graphical presentation of the aggregate market. The other side is occupied by the long-run aggregate supply curve and/or the short-run aggregate supply curve. The negative slope of the aggregate demand curve captures the inverse relation between aggregate expenditures on real production and the price level. This negative slope is attributable to the interest-rate, real-balance, and net-export effects.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time calling an endless list of 800 numbers wanting to buy either a T-shirt commemorating the first day of spring or a coffee cup commemorating last Friday (you know why). Be on the lookout for fairy dust that tastes like salt.
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This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"Concentrate all your thoughts upon the work at hand. The sun's rays do not burn until brought to a focus." -- Alexander Graham Bell, inventor
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NYCE
New York Cotton Exchange
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