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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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BLUE PLACIDOLA
Your compete MICRO*scope for today
You are the type of person who maintains an oasis of calm in the midst of any storm. Family and friends seem to be really, really stressed out most of the time. Today, you are likely to spend a great deal of time wandering around the shopping mall seeking to buy either blue cotton balls or a genuine down-filled pillow. Be on the lookout for crowded shopping malls. You should consider shopping at stores or businesses beginning with the letter H, but do not buy any products with a serial number or product code containing the number 851534. Your preferred shopping venue is department stores. Your special symbol is the at sign (@).
Is this You?
As a Blue Placidola, you are easy-going and even-tempered, calm and composed. For you, the hectic pace of a crowded shopping mall during the holiday rush is nothing, it's little more than a tranquil stroll in the park. Life is good. Life goes on. Why worry. You are a happy shopper and you seldom fret over trivial details of a market exchange, in part because you are astute enough to get moderately low prices and relatively good deals.
This isn't me! What am I?
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INTEREST-RATE EFFECT A change in aggregate expenditures on real production, especially those made by the household and business sectors, that results because a change in the price level alters the interest rate which then affects the cost of borrowing. This is one of three effects underlying the negative slope of the aggregate demand curve associated with a movement along the aggregate demand curve and a change in aggregate expenditures. The other two are real-balance effect and net-export effect.
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The Crystal Ball Of ECONOMIC FORECASTINGHow often has this happened to you? You've packed a tasty picnic lunch, donned your spiffy-looking swimwear, loaded up the beach blanket and umbrella, then headed for the artificial waves of the local Happy-Time Gala-World Fun-Land Water Park expecting bright sunshine and warm temperatures. However, upon reaching Happy-Time Gala-World Fun-Land Water Park you find that the economy has fallen into a deep recession, with high unemployment rates and sluggish production, and the owners of the Happy-Time Gala-World Fun-Land Water Park have been forced to turn off the artificial wave machine, dismantle the water slides, and drain the pool. (It's also raining and 50 degrees. We will, however, ignore those problems because this isn't A Pedestrian's Guide to Meteorology.)
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Ragnar Frisch and Jan Tinbergen were the 1st Nobel Prize winners in Economics in 1969.
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"Genius is an infinite capacity for taking pains. " -- Jane Ellis Hopkins, writer
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MFN
Most-Favoured Nation
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