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-(Table: Coal Mine Pollution) The table Coal Mine Pollution shows the marginal social benefit and cost of various amounts of pollution from a coal mine. At the efficient quantity of pollution the marginal social benefit of pollution is:
A) $400.
B) $300.
C) $200.
D) $100.

Question

Use the following to answer questions: 
-(Table: Coal Mine Pollution) The table Coal Mine Pollution shows the marginal social benefit and cost of various amounts of pollution from a coal mine. At the efficient quantity of pollution the marginal social benefit of pollution is:
A) $400. 
B) $300. 
C) $200. 
D) $100.

Quizplus · Accepted Answer

The efficient quantity of pollution is where the marginal social benefit equals the marginal social cost. From the table, we can see that this occurs at 2 units of pollution, where the marginal social benefit is $400.

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