Marginal product of capital

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Marginal product of capital (MPK) is the amount of extra output produced when the capital input is increased by one unit. *Marginal product of labor (MPL). The amount of extra output produced when the labor input is increased by one unit.

Definition

According to Macroeconomics by Mankiw (7th edition),

Marginal product of capital (MPK). The amount of extra output produced when the capital input is increased by one unit. *Marginal product of labor (MPL). The amount of extra output produced when the labor input is increased by one unit.