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AGGREGATE EXPENDITURE 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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MACROECONOMIC PROBLEMS Undesirable situations that exist in the macroeconomy, largely because one or more of the macroeconomic goals are not satisfactorily attained. The primary problems are unemployment, inflation, and stagnant growth. Macroeconomic theories are designed to explain why these problems emerge and to recommend corrective policies.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time wandering around the downtown area trying to buy either a pair of red and purple designer socks or a T-shirt commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki. Be on the lookout for jovial bank tellers.
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This isn't me! What am I?
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The wealthy industrialist, Andrew Carnegie, was once removed from a London tram because he lacked the money needed for the fare.
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"The greatest use of life is to spend it for something that will outlast it." -- William James, psychologist
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IRR
Internal Rate of Return
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