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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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POSITIVE ECONOMICS The branch of economics that seeks to explain the way the economy actually operates. It is the application of the scientific method and the process of testing hypothesis to economic phenomena. A positive economic statement is one that can be refuted by looking at the real world--that is, by testing a hypothesis.
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BROWN PRAGMATOX
[What's This?]
Today, you are likely to spend a great deal of time watching infomercials trying to buy either a replacement battery for your pocket calculator or a how-to book on home remodeling. Be on the lookout for mail order catalogs with hidden messages.
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This isn't me! What am I?
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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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"Long-range goals keep you from being frustrated by short-term failures " -- J. C. Penney, Retailer
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PPC
Production Possibilities Curve
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