A-LevelEconomicsThe price system and the microeconomy9708/31 · May/June 2019 · Q131 Mark

A community relies on a private company to supply electricity using a coal-fired power station. The power station causes air pollution which imposes an external cost shown in the diagram. [Figure]. The government decides to impose a tax on the electricity company to correct market failure. What represents the tax? A WX B WY C XY D YZ

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Mark scheme

Marking points from the official mark scheme (May/June 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, May/June 2019 Paper 3 Variant 1, question 13.

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