The marginal product of the variable input
A)is always positive.
B)typically falls then rises.
C)is equal to the total product divided by the total amount of the variable input employed.
D)None of the above

Question

Quizplus · Accepted Answer

The marginal product of a variable input can be positive, negative, or zero, and it typically rises initially and then falls due to the law of diminishing marginal returns, not the other way around. It is not equal to the total product divided by the total amount of the variable input employed; that description fits the average product, not the marginal product.

The Marginal Product of the Variable Input