The diagram shows the market for a product, the production of which has both external costs and external benefits.
- 2What is the difference between the level of output that would be produced by the market and the socially optimum level? A WX B WY C XY D XZ[1]
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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.
- [1] 2 C
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