A-LevelEconomicsGovernment Intervention in MarketsMay/June 2011Paper 1 Q171 Mark
In the diagram S and S₁ are the supply curves for an agricultural product in years 1 and 2 respectively. D is the demand curve in years 1 and 2. In year 1 the government purchased an amount necessary to ensure that the price was OP. The price is held at OP in year 2. How much more must the government buy in year 2 than it bought in year 1?
AWX
BXY
CXZ
DYZ
✓ Correct Answer
The correct answer is D: YZ
📋 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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