If Q = K^1/2L^1/2 the MP_L is A)constant B)increasing C)diminishing

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MP_L represents the marginal product of substitution of factor 1 for factor 0. If the product Q is held constant, then the only way to increase the use of factor 1 is to decrease the use of factor 0. Therefore, the marginal product of substitution is diminishing, indicating that as more factor 1 is used, less and less of factor 0 can be substituted for it while maintaining the same level of output.

If Q = K1/2L1/2 the MPL Is

If Q = K^1/2L^1/2 the MP_L Is