Which of the Following Is True of Positive Consumption Externalities

Multiple Choice

Which of the following is true of positive consumption externalities?

A) social value exceeds private value and market quantity exceeds socially optimal quantity
B) social value is less than private value and market quantity exceeds socially optimal quantity
C) social value exceeds private value and market quantity is less than socially optimal quantity
D) social value seldom exceeds private value and therefore social quantity is less than private quantity