Multiple Choice
External costs are
A) negative externalities and are subtracted from marginal private costs to find marginal social costs.
B) negative externalities and are added to marginal private costs to find marginal social costs.
C) positive externalities and are added to marginal private costs to find marginal social costs.
D) positive externalities and are subtracted from marginal private costs to find marginal social costs.
Correct Answer:

Verified
Correct Answer:
Verified
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