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AGGREGATE EXPENDITURES 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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TOTAL-MARGINAL RULE: A mathematical connection between a marginal value is the slope of a curve of the corresponding total value stating that the marginal IS the slope of the total curve. If the total curve has a positive slope (that is, is upward sloping), then marginal is positive. If the total product has a negative slope (downward sloping), then marginal is negative. If the total curve has a zero slope (horizontal), then marginal is zero. Moreover, if the total curve has an increasing slope (becoming steeper), then the marginal is rising. If the total curve has a decreasing slope (becoming flatter), then the marginal is falling. See also | slope | total product | total cost | total variable cost | marginal product | marginal cost | average-marginal rule |
Recommended Citation:TOTAL-MARGINAL RULE, AmosWEB GLOSS*arama, http://www.AmosWEB.com, AmosWEB LLC, 2000-2024. [Accessed: October 21, 2024].
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LEGAL RESERVES The combination of vault cash and Federal Reserve deposits that banks can legally use to satisfy government reserve requirements. Legal reserves, which can also be considered total reserves, are divided between require reserves and excess reserves. Required reserves are used to back up deposits and process daily transactions, while excess reserves are then available for interest-paying loans.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time at an auction hoping to buy either a coffee cup commemorating last Friday (you know why) or a wall poster commemorating the first day of spring. Be on the lookout for cardboard boxes.
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John Maynard Keynes was born the same year Karl Marx died.
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"A stumble may prevent a fall. " -- Margaret Thatcher, British prime minister
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MC
Marginal Cost
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