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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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POSITIVE ECONOMICS The branch of economics that seeks to explain the way the economy actually operates. It is the application of the scientific method and the process of testing hypothesis to economic phenomena. A positive economic statement is one that can be refuted by looking at the real world--that is, by testing a hypothesis.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time searching for a specialty store looking to buy either a wall poster commemorating last Friday (you know why) or a country wreathe. Be on the lookout for telephone calls from long-lost relatives.
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This isn't me! What am I?
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More money is spent on gardening than on any other hobby.
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"Every man must decide whether he will walk in the light of creative altruism or in the darkness of destructive selfishness." -- Martin Luther King, Jr., clergyman
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SLTX
Sales Tax
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