The marginal product of an input is defined as the change in:
A) average output attributable to the last unit of an input.
B) total output attributable to the last unit of an input.
C) total input attributable to the last unit of an output.
D) average output attributable to the last unit of an output.

Question

Quizplus · Accepted Answer

The marginal product of an input is the change in total output that results from a one-unit increase in the quantity of that input, while holding all other inputs constant. Therefore, option B, "total output attributable to the last unit of an input" is the correct choice.

The Marginal Product of an Input Is Defined as the Change