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← Economics notes
Edexcel ·Economics·Cambridge AS & A Level Economics

Market Failure

15 min read

Externalities, merit and demerit goods, public goods, information failure and the resulting misallocation of resources.

What is market failure?

Market failure occurs when the price mechanism leads to a misallocation of resources — output is not at the socially optimal level, so welfare is not maximised. The main causes are externalities, public goods, information failure and (in micro) market dominance and immobility.

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