JAMB Economics 2011 Question 7

Question 7

Theory of Demand

If the demand for one commodity excludes another, it is said to be

  1. A.complementary demand
  2. B.competitive demand
  3. C.composite demand
  4. D.derived demand.
Show the answer and explanation

Answer: B (competitive demand)

Explanation

Goods in competitive demand are substitutes: buying one means you do not buy the other.