A) efficient solution, because marginal social benefits are greater than marginal social costs.
B) efficient solution, because marginal social benefits are equal to marginal social costs.
C) inefficient solution, because marginal social benefits are greater than marginal social costs.
D) inefficient solution, because marginal social costs are greater than marginal social benefits.
B) efficient solution, because marginal social benefits are equal to marginal social costs.
C) inefficient solution, because marginal social benefits are greater than marginal social costs.
D) inefficient solution, because marginal social costs are greater than marginal social benefits.
ANSWER:
D