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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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PLANNED ECONOMY An economy, or economic system, that relies heavily on central planning by government to allocate resources and answer the three basic questions of allocation. A planned economy is often a type of command economy, in which government uses its coercive powers to implement central planning allocation decisions.
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PURPLE SMARPHIN [What's This?]
Today, you are likely to spend a great deal of time at a crowded estate auction wanting to buy either a New York Yankees baseball cap or several magazines on home repairs. Be on the lookout for letters from the Internal Revenue Service. Your Complete Scope
This isn't me! What am I?
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John Maynard Keynes was born the same year Karl Marx died.
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"An idea is never given to you without you being given the power to make it reality." -- Richard Bach, Author
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OCC Options Clearing Corporation
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