A-LevelEconomicsDemand and SupplyOct/Nov 2019Paper 1 Q61 Mark
Market demand curves normally slope downwards. They may also shift from D₁ to either D2 or D3. What would cause a movement along D₁ for good X and not a shift to either D2 or D3? [Figure 6]
Aadvertising of good X increases sales
Bconsumer incomes rise
Cprice of good X falls
Dprice of other goods falls
✓ Correct Answer
The correct answer is C: price of good X falls
📋 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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