A-LevelEconomicsThe price system and the microeconomy9708/12 · May/June 2014 · Q101 Mark
The diagram shows four different straight line supply curves. [Figure: Graph with price vs. quantity, showing supply curves S₁, S₂, S₃, S₄]
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.
AS₁ has unitary elasticity.
BS₂ has zero elasticity.
CS₃ has a constant elasticity.
DS₄ has infinite elasticity.
✓ Correct answer
D: S₄ has infinite elasticity.
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