Question

In a study of a large state​ university, students were randomly assigned, roommates. Researchers found​ that, on​ average, males assigned to roommates who reported drinking alcohol in the year before entering college had GPAs​ one-quarter point lower than those assigned to​ non-drinking roommates. For males who drank frequently before​ college, being assigned to a roommate who also drank frequently before college reduced their GPAs by​ two-thirds of a point.

The marginal social benefit curve will be:

Answer 1

The answer would be

MSB = new demand curve; demand curve (MPB) shifts less for negative externalities

Step-by-step explanation: