A-LevelEconomicsThe price system and the microeconomy9708/31 · Oct/Nov 2019 · Q101 Mark

Which statement about the 'kinked demand curve' model of oligopoly is incorrect? A The kink in the demand curve of each firm is based on expectations about other firms' responses to changes in its price. B The marginal revenue curve of the firm has a vertical segment at the market price. C The model explains how the equilibrium market price is determined. D The model suggests price stickiness within a certain range of marginal costs.

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2019). The mark or mark type is shown in brackets.

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Topic: The price system and the microeconomy, A-Level Economics (syllabus 9708). Structured question, 1 mark.
Source: A-Level Economics, Oct/Nov 2019 Paper 3 Variant 1, question 10.

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