JAMB Economics 1988 Question 17

Question 17

Price Determination

Which of the following changes in equilibrium price and quantity is as a result of an upward shift in the market demand for a commodity?

  1. A.Both the price and the quantity fall
  2. B.The price rises and the quantity falls
  3. C.The price falls and the quantity rises
  4. D.Both the price and the quantity rise.
Show the answer and explanation

Answer: D (Both the price and the quantity rise.)

Explanation

An increase in demand with an upward-sloping supply curve raises both the equilibrium price and quantity.