A-LevelEconomicsElasticityOct/Nov 2021Paper 1 Q121 Mark

The diagram shows three supply curves. What can be concluded about the price elasticity of supply of the curves?

Q: What topic does this question test?

This question tests Elasticity in A-Level Economics (syllabus code 9708). It is worth 1 mark.

AAs price rises, the price elasticity of supply of S2 will increase.

BAt any price, the price elasticity of supply of S₁ will be less than that of S3.

CAt any price, the price elasticity of supply of S2 will be higher than that of S3.

DThe price elasticity of supply of each curve is constant.

✓ Correct Answer

The correct answer is D: The price elasticity of supply of each curve is constant.

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Economics Question

Topic

This multiple-choice question tests Elasticity in A-Level Economics (syllabus code 9708). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Economics Oct/Nov 2021 examination, Paper 1 Variant 2.

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