For a fixed proportion production function,at the vertex of any of the (L-shaped)isoquants the marginal productivity of either input is
A)constant
B)zero.
C)negative.
D)a value that cannot be determined.

Question

Quizplus · Accepted Answer

At the vertex of the isoquant, one input is fixed at its maximum value, and increasing the other input will not increase the output. Therefore, the marginal productivity of the input that is being increased is zero.

For a Fixed Proportion Production Function,at the Vertex of Any