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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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AUTONOMOUS GOVERNMENT PURCHASES Government purchases by the government sector that do not depend on income or production (especially national income or gross domestic product). That is, changes in income do not generate changes in government purchases. Autonomous government purchases are best thought of as government purchases that the government sector undertake independent of income. They are measured by the intercept term of the government purchases line. The alternative to autonomous government purchases is induced government purchases, which do depend on income.
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BLACK DISMALAPOD
[What's This?]
Today, you are likely to spend a great deal of time at a going out of business sale looking to buy either a T-shirt commemorating the first day of spring or a coffee cup commemorating last Friday (you know why). Be on the lookout for door-to-door salesmen.
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This isn't me! What am I?
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The Dow Jones family of stock market price indexes began with a simple average of 11 stock prices in 1884.
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"It is not fair to ask of others what you are unwilling to do yourself. " -- Eleanor Roosevelt, diplomat, activist
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LISH
last In Still Here
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