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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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ECONOMIC SYSTEM The assorted institutions that society uses to answer the three basic questions of allocation and address the fundamental problem of scarcity. Another, more popular term for economic system is economy. An economy, or economic system, is the structural framework in which households, businesses, and governments undertake the production and consumption decisions that allocate limited resources to satisfy unlimited wants and needs.
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PINK FADFLY
[What's This?]
Today, you are likely to spend a great deal of time at a flea market trying to buy either a flower arrangement with daisies and carnations for your uncle or a coffee cup commemorating next Thursday. Be on the lookout for letters from the Internal Revenue Service.
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Only 1% of the U.S. population paid income taxes when the income tax was established in 1914.
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"How wonderful it is that nobody need wait a single moment before starting to improve the world. " -- Anne Frank, diarist
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FOB
Free on Board
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