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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.
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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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