JAMB Economics 2006 Question 41

Question 41

Theory of Costs and Revenue

A rising short-run average cost is a result of

  1. A.economies of scale
  2. B.falling marginal costs
  3. C.diminishing returns
  4. D.rising fixed costs
Show the answer and explanation

Answer: C (diminishing returns)

Explanation

In the short run, adding more variable inputs to fixed inputs brings diminishing returns, so cost per unit rises.