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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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BUSINESS CYCLES The recurring, but irregular, expansions and contractions of economic activity in the macroeconomy. While business cycles are frequently measured by real gross domestic product, they show up in many aggregate measures of economic activity, including the unemployment rate, the inflation rate, consumption expenditures, and tax collections, to name just a few. The study of macroeconomics is largely the study of business cycles. Macroeconomic theories seek to understand business cycles and macroeconomic policies seek to correct the problems of business cycles.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time at a dollar discount store hoping to buy either a birthday gift for your mother or a weathervane with a horse on top. 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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Parker Brothers, the folks who produce the Monopoly board game, prints more Monopoly money each year than real currency printed by the U.S. government.
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"Think not of yourself as the architect of your career but as the sculptor. Expect to have to do a lot of hard hammering and chiseling and scraping and polishing. " -- B. C. Forbes, founder, Forbes magazine
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MR
Marginal Revenue
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