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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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SELF CORRECTION, AGGREGATE MARKET The automatic process in which the aggregate market adjusts from short-run equilibrium to long-run equilibrium. Self-correction results through shifts of the short-run aggregate supply curve caused by changes in wages (and other resource prices). The self-correction mechanism acts to close both recessionary gaps and inflationary gaps. The short-run aggregate supply curve increases (shifts rightward) due to lower wages to close a recessionary gap and decreases (shifts leftward) due to higher wages to close an inflationary gap.
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GRAY SKITTERY
[What's This?]
Today, you are likely to spend a great deal of time waiting for visits from door-to-door solicitors looking to buy either a T-shirt commemorating last Friday (you know why) or a rotisserie oven that can also toast bread. Be on the lookout for infected paper cuts.
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The average bank teller loses about $250 every year.
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"There's only one corner of the universe you can be certain of improving and that's your own self. " -- Aldous Huxley, writer
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OECD
Organization for Economic Co-operation and Development
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