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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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PRICE LEVEL The average of the prices of goods and services produced in the aggregate economy. In a theoretical sense, the price level is the price of aggregate production. In a practical sense, the price level is commonly measured by either of two price indexes, the Consumer Price Index (CPI) or the GDP price deflator. The CPI is the price index widely publicized in the media and used by the general public. The GDP price deflator, in contrast, is less well-known, but is usually the price index of choice among economists. The inflation rate is calculated as the percentage change in the price level.
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GREEN LOGIGUIN
[What's This?]
Today, you are likely to spend a great deal of time wandering around the shopping mall trying to buy either a rechargeable battery for your computer or shoe laces for your snow boots. Be on the lookout for telephone calls from former employers.
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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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"As is our confidence, so is our capacity. " -- William Hazlitt, essayist
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JE
Journal of Econometrics
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