JAMB Economics 1987 Question 17

Question 17

Price Determination

A shift in the demand curve for a commodity when the supply curve is vertical will lead to a change in the

  1. A.price only
  2. B.quantity only
  3. C.quality only
  4. D.price and quantity.
Show the answer and explanation

Answer: A (price only)

Explanation

A vertical supply curve means quantity is fixed, so a shift in demand can only change the price.