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A-LevelEconomicsThe price system and the microeconomy9708/12 · Feb/Mar 2023 · Q111 Mark

Butter and buttermilk are goods in joint supply. Supply curves in both markets slope upwards to the right. Health concerns cause people to reduce their consumption of butter. What are the initial consequences of this for supply in the markets for butter and buttermilk?

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Amove left along supply curve, move left along supply curve
Bshift left of the supply curve, shift left of the supply curve
Cmove left along supply curve, shift left of the supply curve
Dshift left of the supply curve, move left along supply curve

✓ Correct answer

B: shift left of the supply curve, shift left of the supply curve

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Topic
The price system and the microeconomy, A-Level Economics (syllabus 9708). Multiple choice, 1 mark.
Source
A-Level Economics, Feb/Mar 2023 Paper 1 Variant 2, question 11.

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