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Economics (AS & A Level) · May / June 2026 · Paper 11 · Question 10

9708Consumer and producer surplus

The diagram shows the market for a good that has an initial equilibrium price P. The demand for the good increases by a fixed quantity at every price. Which supply curve will leave the value of the consumer surplus unchanged?

  1. AS1
  2. BS2
  3. CS3
  4. DS4

As printed in the paper

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Correct answer: A. S1

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