A-LevelEconomicsMarket Structures / Oligopoly / Game TheoryOct/Nov 2017Paper 3 Q121 Mark
There are two firms in an industry. Firm X faces a choice. It can either act independently or work with its rival. If it acts independently its profit could be $900 a week but it could be only $400 a week depending on what its rival does. If it works with its rival the joint profit of the two firms together would be $1400, $700 each. It has no knowledge of what the rival's policy will be. Which concept describes this situation? A contestable market B kinked demand curve C principal agent problem D prisoner's dilemma
📋 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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