If two inputs must be used in fixed proportions, then:
A) the inputs are perfect substitutes.
B) the inputs are imperfect substitutes.
C) the inputs are not substitutable.
D) the amount of each input is the same along an isoquant.
E) none of the above.

Question

Quizplus · Accepted Answer

When two inputs must be used in fixed proportions, it means they cannot replace each other in the production process, indicating they are not substitutable.

If Two Inputs Must Be Used in Fixed Proportions, Then