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Economic Definition of variable factor of production. Defined.

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Term variable factor of production Definition: An input whose quantity can be changed in the time period under consideration. This usually goes by the shorter term fixed input and should be immediately compared and contrasted with fixed factor of production, which goes by the shorter term fixed input. The most common example of a variable factor of production is labor. A variable factor of production provides the extra inputs that a firm needs to expand short-run production. In contrast, a fixed factor of production, like capital, provides the capacity constraint in production. As larger quantities of a variable factor of production, like labor, are added to a fixed factor of production like capital, the variable factor of production becomes less productive.


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