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AE LINE: Another term for aggregate expenditure line, which is 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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SCREENING When confronted by asymmetric information, the use of small bits of information, or indicators, that suggest more comprehensive information. Screening occurs when those with limited information try to identify indicators suggesting more complete information. It is used in markets with adverse selection and moral hazard, especially in labor markets and in the provision of insurance. Common methods of screening include aptitude tests, affiliations, past behavior, and personal characteristics. A related method is signalling.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time watching the shopping channel wanting to buy either a Boston Red Sox baseball cap or a square lamp shade with frills along the bottom. Be on the lookout for attractive cable television service repair people.
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This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"The human race has only one really effective weapon and that is laughter." -- Mark Twain
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WLS
Weighted Least Squares
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