WAEC Economics 2020 Question 14

Question 14

Elasticity

A seller increased the quantity he offered for sale from 200 units to 250 units when price of his product increased by 12.5%. What is the price elasticity of supply of his product?

  1. A.2.00
  2. B.1.50
  3. C.1.00
  4. D.0.50
Show the answer and explanation

Answer: A (2.00)

Explanation

% change in quantity = 50/200 × 100 = 25%; Es = 25 ÷ 12.5 = 2.