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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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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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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time at a flea market trying to buy either a coffee cup commemorating Thor Heyerdahl's Pacific crossing aboard the Kon-Tiki or a rechargeable battery for your cell phone. Be on the lookout for slow moving vehicles with darkened windows.
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John Maynard Keynes was born the same year Karl Marx died.
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"Whenever you see a successful business, someone once made a courageous decision." -- Peter F. Drucker, business strategist
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RPI
Retail Price Index
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