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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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SCARCE RESOURCES Labor, capital, land, and entrepreneurship used by society to produce consumer satisfying goods and services. Scarce resources, also termed just resources, are often given the more descriptive term factors of production.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time browsing through a long list of dot com websites seeking to buy either a package of 4 by 6 index cards, the ones with lines or a 50 foot extension cord. Be on the lookout for slow moving vehicles with darkened windows.
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A half gallon milk jug holds about $50 in pennies.
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"Most battles are won before they are ever fought." -- General George Patton
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LAD
Least Absolute Deviations
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