A US study, published in July 2014, warned teenagers to reduce the amount of fizzy drink they consume. One can of fizzy drink contains an adult's entire daily sugar allowance. If the advice were accepted, how might the effect be illustrated on demand and supply diagrams for fizzy drinks and for sugar?
✓ Correct Answer
The correct answer is B: demand curve moves to the left, movement down the supply curve
📋 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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