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U-SHAPED COST CURVES: The family of short-run cost curves consisting of average total cost, average variable cost, and marginal cost, all of which have U-shapes. They are U-shaped because each has high but falling cost at low quantities of output, which then reaches a minimum, then has rising cost at larger quantities of output. Although the average fixed cost curve is not U-shaped, it's occasionally included with the other three just for sake of completeness.

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CHANGE IN PRIVATE INVENTORIES

The increase or decrease in the stocks of final goods, intermediate goods, raw materials, and other inputs that businesses keep on hand to use in production. Formerly termed change in business inventories, this is one of two main categories of gross private domestic investment included in the National Income and Product Accounts maintained by the Bureau of Economic Analysis. The other category is fixed investment. Change in private inventories tend to be about 3 to 5 percent of gross private domestic investment.

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APLS

RED AGGRESSERINE
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Today, you are likely to spend a great deal of time at a dollar discount store looking to buy either a birthday gift for your father that doesn't look like every other birthday gift for your father or a green fountain pen. Be on the lookout for crowded shopping malls.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
"Few things can help an individual more than to place responsibility on him, and to let him know that you trust him. "

-- Booker T. Washington, educator

WACM
Weak Axiom of Cost Minimization
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