JAMB Economics 1991 Question 12

Question 12

Price Determination

A market is in disequilibrium if

  1. A.the quantity purchased is greater than the quantity sold
  2. B.the quantity sold differs from the quantity purchased
  3. C.at a lower price, a large quantity is sold
  4. D.the quantity demanded differs from the quantity supplied
Show the answer and explanation

Answer: D (the quantity demanded differs from the quantity supplied)

Explanation

Equilibrium means quantity demanded equals quantity supplied; when they differ there is a shortage or surplus.