Economics (AS & A Level) · Oct / Nov 2022 · Paper 13 · Question 10
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 about the goods?
- AX and Y are complements.
- BX and Y are in joint supply.
- CX and Y are substitutes.
- DY is a derived demand from X.
As printed in the paper
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Correct answer: B. X and Y are in joint supply.
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