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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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AGGREGATE SUPPLY SHIFTS Changes in the aggregate supply determinants shift both the short-run aggregate supply curve and the long-run aggregate supply curve. The mechanism is comparable to that for market supply determinants and market supply. There are two options--an increase in aggregate supply and a decrease in aggregate supply. An increase in resource quantity or quality or a decrease in resource price shifts one or both of the aggregate supply curves to right. A decrease in resource quantity or quality or an increase in resource price shifts one or both of the aggregate supply curves to left.
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BLUE PLACIDOLA
[What's This?]
Today, you are likely to spend a great deal of time searching the newspaper want ads looking to buy either a 200-foot blue garden hose or a video camera with stop action features. Be on the lookout for the last item on a shelf.
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One of the largest markets for gold in the United States is the manufacturing of class rings.
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"Ships are safe in harbor. But that is not what ships are for." -- Anonymous
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FV
Face Value
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