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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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ARC ELASTICITY The average elasticity for discrete changes in two variables. The distinguishing characteristic of arc elasticity is that percentage changes are calculated based on the average of initial and ending values of each variable, rather than initial values. Arc elasticity is generally calculated using the midpoint elasticity formula. The contrast to arc elasticity is point elasticity. For infinitesimally small changes in two variables, arc elasticity is the same as point elasticity.
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RED AGGRESSERINE
[What's This?]
Today, you are likely to spend a great deal of time searching for a specialty store looking to buy either a birthday gift for your grandmother or a T-shirt commemorating yesterday. Be on the lookout for the last item on a shelf.
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This isn't me! What am I?
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North Carolina supplied all the domestic gold coined for currency by the U.S. Mint in Philadelphia until 1828.
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"Do something wonderful; people may imitate it. " -- Albert Schweitzer, theologian, physician
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OAPEC
Organization of Arab Petroleum Exporting Countries
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