JAMB Economics 2009 Question 15

Question 15

Price Determination

A decrease in supply without a corresponding change in demand will lead to

  1. A.an increase in equilibrium price and a decrease in equilibrium quantity
  2. B.a decrease in equilibrium price and an increase in equilibrium quantity
  3. C.a decrease in equilibrium price and equilibrium quantity
  4. D.an increase in equilibrium price and quantity
Show the answer and explanation

Answer: A (an increase in equilibrium price and a decrease in equilibrium quantity)

Explanation

The supply curve shifts left along an unchanged demand curve, so price rises and the quantity traded falls.