Perfect competition, imperfectly competitive markets and monopoly
From Paper 1: Markets and market failure
515 marks
Section B (essay)
Explain why firms in an oligopoly may decide to collude rather than compete.
From Paper 1: Markets and market failure
625 marks
Section B (essay)
UK supermarkets often seek to merge. Evaluate whether competition authorities should prevent mergers between large firms in concentrated markets.
From Paper 3: Economic principles and issues
111 mark
In long-run equilibrium, a perfectly competitive firm earns:
From Paper 3: Economic principles and issues
121 mark
A natural monopoly exists when:
From Paper 3: Economic principles and issues
131 mark
The four largest firms have market shares of 25%, 20%, 15% and 10%. The four-firm concentration ratio is:
From Paper 3: Economic principles and issues
141 mark
Third-degree price discrimination requires:
Score 0 / 44 · 0 of 6 marked
This paper is written by Plasmo in the style of the AQA A-Level Economics exam. It is not a past paper and is not produced or endorsed by the exam board.