Target Exam

CUET

Subject

Economics

Chapter

Micro Economics: Production and Costs

Question:

In long run as long as average cost is falling, marginal cost must be less than the ......

Options:

Total Fixed Cost.

Average Variable Cost.

Average cost.

Total Cost.

Correct Answer:

Average cost.

Explanation:

The correct answer is Option (3) → Average cost.

In the long run, and for any average curve (be it Average Cost, Average Total Cost, Average Variable Cost, or Average Product), the relationship between the average and marginal curve is consistent:
  • If the average is falling, the marginal must be below the average.
  • If the average is rising, the marginal must be above the average.
  • If the average is at its minimum, the marginal must intersect the average at that minimum point.

The question states "as long as average cost is falling". According to the rule above, for the average cost to be falling, the marginal cost must be less than the Average cost.