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JAMB Economics 2008 Question 11

Question 11

Theory of Consumer Behaviour

As long as marginal utility is positive, total utility must be

  1. A.negative
  2. B.increasing
  3. C.zero
  4. D.decreasing
Show the answer and explanation

Answer: B (increasing)

Explanation

Each extra unit adds something to satisfaction while MU is positive, so total utility keeps rising.