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WAEC Economics 2019 Question 6

Question 6

Elasticity

If the coefficient of price elasticity of demand of a product is zero, then its demand curve will be

  1. A.parallel to the quantity axis.
  2. B.parallel to the price axis.
  3. C.negatively sloped.
  4. D.positively sloped.
Show the answer and explanation

Answer: B (parallel to the price axis.)

Explanation

Zero elasticity means a vertical demand curve, i.e. parallel to the price (vertical) axis.