JAMB Economics 2010 Question 21

Question 21

Theory of Costs and Revenue

A firm enjoying economies of scale is said to be

  1. A.reducing average cost as production increases
  2. B.benefiting from the activities of other firms
  3. C.maximizing profits as production increases
  4. D.having an upward-sloping average cost curve.
Show the answer and explanation

Answer: A (reducing average cost as production increases)

Explanation

Economies of scale are the cost savings a firm gets from growing, so its average cost falls as output rises.