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SLOPE, SHORT-RUN AGGREGATE SUPPLY CURVE: The short-run aggregate supply (SRAS) curve has a positive slope, reflecting the direct relation between the price level and aggregate real production. A higher price level is related to more real production and a lower price level is related to less real production. The general reason is similar to that of market supply curves--the opportunity cost of production--three specific reasons can be identified: (1) inflexible resource prices that often makes it easier to reduce aggregate real production and resource employment when the price level falls; (2) the pool of natural unemployment, consisting of frictional and structural unemployment, that can be used temporarily to increase aggregate real production when the price level rises; and (3) imbalances in the purchasing power of resource prices that can temporarily entice resource owners to produce more or less aggregate real production than the would at full employment.
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PERFECT COMPETITION, LONG-RUN PRODUCTION ANALYSIS In the long run, a perfectly competitive firm adjusts plant size, or the quantity of capital, to maximize long-run profit. In addition, the entry and exit of firms into and out of a perfectly competitive market guarantees that each perfectly competitive firm earns nothing more or less than a normal profit. As a perfectly competitive industry reacts to changes in demand, it traces out positive, negative, or horizontal long-run supply curve due to increasing, decreasing, or constant cost.
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YELLOW CHIPPEROON
[What's This?]
Today, you are likely to spend a great deal of time watching infomercials trying to buy either a wall poster commemorating the 2000 Olympics or a flower arrangement with a lot of roses for your grandmother. Be on the lookout for small children selling products door-to-door.
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This isn't me! What am I?
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The portion of aggregate output U.S. citizens pay in taxes (30%) is less than the other six leading industrialized nations -- Britain, Canada, France, Germany, Italy, or Japan.
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"The true idealist pursues what his heart says is right in a way that his head says will work. " -- Richard Nixon, 37th US president
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BEA
Bureau of Economic Analisys
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