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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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Lesson 9: Consumer Demand | Unit 3: Marginal Utility
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Page: 10 of 22
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Topic:
Incremental Satisfaction
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- While total utility is a handy measure, a more useful measure is marginal utility.
- Marginal utility is the additional utility, or satisfaction of wants and needs, obtained from the consumption or use of an additional unit of a good or service.
- Marginal utility is, in other words, the extra satisfaction achieved from an extra unit of good.
- A handy formula:
| marginal utility | = | change in total utility
change in quantity |
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INTEREST RATES, AGGREGATE DEMAND DETERMINANT One of several specific aggregate demand determinants assumed constant when the aggregate demand curve is constructed, and that shifts the aggregate demand curve when it changes. An increase in interest rates cause a decrease (leftward shift) of the aggregate curve. A decrease in interest rates an increase (rightward shift) of the aggregate curve. Other notable aggregate demand determinants include the federal deficit, inflationary expectations, and the money supply.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a T-shirt commemorating the 2000 Olympics or a genuine fake plastic Tiffany lamp. Be on the lookout for mail order catalogs with hidden messages.
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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"The greatest things ever done on Earth have been done little by little. " -- William Jennings Bryan
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T-BOND
Treasury Bond
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