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Economics (AS & A Level) · Oct / Nov 2021 · Paper 13 · Question 6

9708The interaction of demand and supply

The diagrams show the effect of a change in the market for good X on the market for good Y. What can be concluded from the diagrams?

  1. AX and Y are complements.
  2. BX and Y are in joint supply.
  3. CX and Y are substitutes.
  4. DY is a derived demand from X.

As printed in the paper

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Correct answer: C. X and Y are substitutes.

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