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A-LevelEconomicsThe price system and the microeconomy9708/12 · Oct/Nov 2023 · Q121 Mark

The equation for the quantity demanded, QD, for a product is QD = 400-20P where P = price in $. The quantity supplied, QS, is given by QS = 100 + 40P. Which change will occur if the price rises from $5 to $6?

AThe market will move from equilibrium to shortage.
BThe market will move from equilibrium to surplus.
CThe market will move from shortage to surplus.
DThe market will move from surplus to shortage.

✓ Correct answer

B: The market will move from equilibrium to surplus.

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Topic
The price system and the microeconomy, A-Level Economics (syllabus 9708). Multiple choice, 1 mark.
Source
A-Level Economics, Oct/Nov 2023 Paper 1 Variant 2, question 12.

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