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LONG-RUN AVERAGE COST CURVE: A curve depicting the per unit cost of producing a good or service in the long run when all inputs are variable. The long-run average cost curve (usually abbreviated LRAC) can be derived in two ways. On is to plot long-run average cost, which is, long-run total cost divided by the quantity of output produced. at different output levels. The more common method, however, is as an envelope of an infinite number of short-run average total cost curves. Such an envelope is base on identifying the point on each short-run average total cost curve that provides the lowest possible average cost for each quantity of output. The long-run average cost curve is U-shaped, reflecting economies of scale (or increasing returns to scale) when negatively-sloped and diseconomies of scale (or decreasing returns to scale) when positively sloped. The minimum point (or range) on the LRAC curve is the minimum efficient scale.
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MARKET ADJUSTMENT The economic analysis of changes in market equilibrium caused by changes in any of the five demand determinants and/or the five supply determinants. Market adjustment comes in one of eight varieties, given that the two curves comprising the market (demand curve and supply curve) can either increase or decrease, individually or simultaneously. Four adjustments involve a shift of EITHER the demand curve OR the supply curve. The other four adjustments involve shifts of BOTH the demand curve AND the supply curve.
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PURPLE SMARPHIN
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads trying to buy either storage boxes for your winter clothes or several magazines on time travel. Be on the lookout for poorly written technical manuals.
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The word "fiscal" is derived from a Latin word meaning "moneybag."
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"My life as a writer consists of 1/8 talent and 7/8 discipline. " -- John Irving, writer
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G10
Group of Ten
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