A-LevelEconomicsThe price system and the microeconomy9708/12 · May/June 2017 · Q71 Mark
The table gives a set of price and cross-price elasticities for four commodities, W, X, Y and Z. [Figure 7.1] Which pairs of commodities are complements?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
AW and X; W and Z
BW and Y; X and Y
CW and Z; X and Z
DX and Y; X and Z
✓ Correct answer
A: W and X; W and Z
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