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D Question 5 3.45 pts In the case of either a positive or negative externality, a good's market price will: not fully reflect a good's social marginal cost or social marginal benefit. be too high. not equate the quantity supplied by sellers with the quantity demanded by buyers. O be too low. D Question 6 3.45 pts From the perspective of an externality, most communities have zoning laws to: encourage positive externalities. control external benefits. control external costs. raise government revenues. D Question 7 3.45 pts Which one of the following government actions is intended to generate positive externalities? O Requiring autos to meet minimum emissions regulations O Taxing polluting industries Speed limits on the highways Subsidies for planting trees on hillsides