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AGGREGATE MARKET ANALYSIS: An investigation of macroeconomic phenomena, including unemployment, inflation, business cycles, and stabilization policies, using the aggregate market interaction between aggregate demand, short-run aggregate supply, and long-run aggregate supply. Aggregate market analysis, also termed AS-AD analysis, has been the primary method of investigating macroeconomic activity since the 1980s, replacing Keynesian economic analysis that was predominant for several decades. Like most economic analysis, aggregate market analysis employs comparative statics, the technique of comparing the equilibrium after a shock with the equilibrium before a shock. While the aggregate market model is usually presented as a simply graph at the introductory level, more sophisticated and more advanced analyses often involve a system of equations.
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MARGINAL PROPENSITY FOR GOVERNMENT PURCHASES The change in government purchases induced by a change in income or production (national income or gross domestic product). The marginal propensity for government purchases (abbreviated MPG) is another term for the slope of the government purchases line and is calculated as the change in government purchases divided by the change in income or production. The MPG plays a role in Keynesian economics. It augments the slope of the aggregate expenditures line and is part of the multiplier process. A related marginal measure is the marginal propensity to consume.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time flipping through the yellow pages trying to buy either a birthday gift for your aunt or a pair of leather sandals that won't cause blisters. Be on the lookout for fairy dust that tastes like salt.
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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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"Security can only be achieved through constant change, through discarding old ideas that have outlived their usefulness and adapting others to current facts. " -- William O. Douglas, Supreme Court Justice
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CBOE
Chicago Board Options Exchange
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