JAMB Economics 2011 Question 6

Question 6

Theory of Consumer Behaviour

A consumer surplus measures the

  1. A.benefits derived from consuming a cheap commodity
  2. B.excess of total expenditure over total utility
  3. C.difference between marginal utility and marginal cost
  4. D.excess of marginal utility over price.
Show the answer and explanation

Answer: D (excess of marginal utility over price.)

Explanation

Consumer surplus is the extra satisfaction a buyer gets above what he pays, i.e. what the good is worth to him minus its price.