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VARIABLE INPUT: An input whose quantity can be changed in the time period under consideration. This should be immediately compared and contrasted with fixed input. The most common example of a variable input is labor. A variable input provides the extra inputs that a firm needs to expand short-run production. In contrast, a fixed input, like capital, provides the capacity constraint in production. As larger quantities of a variable input, like labor, are added to a fixed input like capital, the variable input becomes less productive. This is, by the way, the law of diminishing marginal returns.
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SHORT-RUN AGGREGATE SUPPLY The total (or aggregate) real production of final goods and services available in the domestic economy at a range of price levels, during a period of time in which some prices, especially wages, are rigid, inflexible, or otherwise in the process of adjusting. Short-run aggregate supply, commonly abbreviated SRAS, is one of two aggregate supply alternatives, distinguished by the degree of price flexibility. The other is long-run aggregate supply. Short-run aggregate supply is combined with aggregate demand in the short-run aggregate market analysis used to analyze business-cycle instability, unemployment, inflation, government stabilization policies, and related macroeconomic topics.
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ORANGE REBELOON
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Today, you are likely to spend a great deal of time browsing about a thrift store trying to buy either a replacement remote control for your television or a replacement nozzle for your shower. Be on the lookout for mail order catalogs with hidden messages.
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Much of the $15 million used by the United States to finance the Louisiana Purchase from France was borrowed from European banks.
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"I not only use all the brains that I have, but all that I can borrow. " -- Woodrow Wilson, 28th US president
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PPC
Production Possibilities Curve
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