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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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MARGINAL PROPENSITY TO SAVE The proportion of each additional dollar of household income that is used for saving. The marginal propensity to save (abbreviated MPS) is another term for the slope of the saving line and is calculated as the change in saving divided by the change in income. The MPS plays a central role in Keynesian economics. It quantifies the saving-income relation, which is the flip side of the consumption-income relation, and thus it reflects the fundamental psychological law. It is also a critical to the multiplier process. A related saving measure is the average propensity to save.
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Fact 2: Our Subjective ValuesUpon leaving Scarcity Stan's Bakery Shoppe and Confectionery Palace our pedestrian's excursion drops into Mega-Mart Discount Warehouse Super Center. A quick tour of this mecca of mass production -- lasting no more than three days -- is likely to reveal within the 20 gadzillion square feet of floor space a number of sales racks, shelves, and tables filled with merchandise marked down for clearance. A prominently displayed sign on one sales rack boldly declares that the regular $24.99 price has been drastically reduced, for this week only, to $3.98. What a bargain! What a sale! We have the chance -- "for a limited time only" -- to get stuff valued at $24.99 for only $3.98! With a bargain like this, how can we lose? It's easy to lose, if you don't understand the concept of value. Most of us have several "bargains" stored away in the attic, closet, or garage that never have seen, and probably never will see, anything resembling use. What seemed like a great "bargain" at the store, does nothing but occupy space at home. (By the way, does anyone have use for a distributor cap for a 1949 Ford?)
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WHITE GULLIBON
[What's This?]
Today, you are likely to spend a great deal of time touring the new suburban shopping complex trying to buy either storage boxes for your summer clothes or 500 feet of coaxial cable. Be on the lookout for spoiled cheese hiding under your bed hatching conspiracies against humanity.
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This isn't me! What am I?
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Approximately three-fourths of the U.S. paper currency in circular contains traces of cocaine.
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"As is our confidence, so is our capacity. " -- William Hazlitt, essayist
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GATS
General Agreement on Trade in Services
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