With a Cobb-Douglas Production Function $Y = K ^ { 1 / 3 } L ^ { 2 / 3 }$

question 103

Multiple Choice

With a Cobb-Douglas production function $Y = K ^ { 1 / 3 } L ^ { 2 / 3 }$ , the marginal product of capital is ________ and the marginal product of labor is ________.

• A) MPK = (1/3)(Y/K   ); MPL = (2/3)(Y/L)
• B) MPK = (2/3)(Y/K   ); MPL = (1/3)(Y/L)
• C) MPK = (2/3)(Y/K   ); MPL = (2/3)(Y/L)
• D) MPK = (1/3)(Y/K   ); MPL = (1/3)(Y/L)
• E) None of these answers are correct.

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