A-LevelEconomicsConsumer Behaviour / Utility TheoryOct/Nov 2019Paper 3 Q51 Mark
A consumer has $3 to spend each day on chocolate bars or toffee bars, which all cost $1 each. The table below shows the units of additional satisfaction she gets from consuming each bar. 1st chocolate bar 16 1st toffee bar 14 2nd chocolate bar 13 2nd toffee bar 12 3rd chocolate bar 10 3rd toffee bar 9 What should she buy to maximise her total utility?
📋 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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