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LRAC CURVE: The common abbreviation for the long-run average cost curve, which is 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 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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QUANTITY The amount of a commodity (good, service, or resource) that is produced, consumed, bought, sold, or exchanged. The quantity of a commodity is often the focus of economic analysis. It takes center stage in the market model, as well as the theories of short-run production and consumer demand theory. In the standard market diagram, as well as most other analyses, quantity is displayed on the horizontal axis.
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PINK FADFLY
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Today, you are likely to spend a great deal of time surfing the Internet hoping to buy either a pair of gray heavy duty boot socks or a 50-foot blue garden hose. Be on the lookout for telephone calls from long-lost relatives.
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"In the long run men hit only what they aim at. " -- Henry David Thoreau, philosopher
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JLE
Journal of Law and Economics
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