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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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INVESTMENT BUSINESS CYCLES The notion that business cycles are caused by changes in business sector investment expenditures triggered by the natural ebb and flow of market conditions. This investment explanation of business-cycle instability rests on the proposition that the seeds of each subsequent business-cycle phase are planted during the current phase. An expansion creates the conditions that cause a contraction and a contraction creates the conditions that cause an expansion. This explanation suggests a critical role for government intervention and stabilization policies to correct the business-cycle problems of inflation and unemployment.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors wanting to buy either a solid oak entertainment center or a remote controlled ceiling fan. Be on the lookout for high interest rates.
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A thousand years before metal coins were developed, clay tablet "checks" were used as money by the Babylonians.
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"One person with a belief is equal to a force of ninety-nine with only interests." -- John Stuart Mill
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PSID
Panel Study of Income Dynamics
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