C) a person’s action unintentionally imposes costs on other people.

Can you think of any way in which this externality could be curbed? That is, can you think of any methods that could be employedto internalize this negative externality?


There are many possible answers to this question. One method might be for the instructor to announce in advance that students will be docked a certain number of points from their grade for each incidence of tardiness.