In Markets with Positive Externalities,_____

Multiple Choice

In markets with positive externalities,_____

A) the marginal social benefit from the good is less than the marginal social cost.
B) the average social benefit is less than the average social cost.
C) the property rights on the good have been well defined.
D) private marginal benefits result in a quantity of the good that is less than socially optimal.
E) private marginal benefits result in a quantity of the good that is more than socially optimal.