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DECREASING-COST INDUSTRY: A perfectly competitive industry with a negatively-sloped long-run industry supply curve that results because expansion of the industry causes lower production cost and resource prices. For a decreasing-cost industry the entry of new firms, prompted by an increase in demand, causes the long-run average supply curve of each firm to shift downward, which decreases the minimum efficient scale of production.

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TWO-SECTOR AGGREGATE EXPENDITURES LINE

A graphical depiction of the relation between aggregate expenditures by the two private sectors (household and business) and the level of aggregate income or production. The two-sector aggregate expenditures line combines consumption expenditures and investment expenditures. The slope of this aggregate expenditures line is based on the marginal propensity to consume, adjusted for the marginal propensity to invest if it is assumed to be induced when constructing the line. This is one of three aggregate expenditures lines based on the number of sectors included. The others are the three-sector aggregate expenditures line and the four-sector aggregate expenditures line.

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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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Only 1% of the U.S. population paid income taxes when the income tax was established in 1914.
"As is our confidence, so is our capacity. "

-- William Hazlitt, essayist

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