JAMB Economics 1991 Question 20

Question 20

Market Structures

Use the diagram (demand and marginal revenue curves). The firm portrayed is selling in

Diagram for this question
  1. A.a purely competitive market
  2. B.a market in which demand is elastic at all prices
  3. C.an imperfectly competitive market
  4. D.a market in which companies produce homogeneous commodities
Show the answer and explanation

Answer: C (an imperfectly competitive market)

Explanation

The demand curve slopes downward and MR lies below it, which happens only in imperfect competition.