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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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BALANCE OF TRADE SURPLUS The positive difference of the value of goods and services exported out of a country less the value of goods and services imported into the country. A balance of trade surplus is the official term for positive net exports that occurs when exports exceed imports. A balance of trade surplus is also termed a "favorable" balance of trade because it results in a net inflow of monetary payments into the domestic economic from the foreign sector, which tends to be beneficial to a country. The alternative is a balance of trade deficit in which imports exceed exports.
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Francis Bacon (1561-1626), a champion of the scientific method, died when he caught a severe cold while attempting to preserve a chicken by filling it with snow.
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"Well done is better than well said. " -- Benjamin Franklin, statesman, inventor
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BCUA
Business Computers Users Association
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