A-LevelEconomicsTheory of the FirmMay/June 2018Paper 3 Q91 Mark
An imperfectly competitive firm was making supernormal profits. The following year it made normal profit with no change in output. How could this situation be shown on a diagram for an imperfectly competitive firm? A by a movement to the left of the average revenue curve B by a movement to the right of the marginal revenue curve C by a shift to the right of the marginal cost curve D by an upward shift in the average cost 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.
🔒
Unlock the Examiner's Analysis
Sign up for free to reveal the full examiner report, trap analysis, and mark scheme breakdown for this question.
Sign Up Free to Unlock →Join thousands of Cambridge students already using Oracle Prep