Suppose that you are attempting to study for your economics final and are distracted by noise from your roommate's stereo. In some dormitories, there are rules allowing you to throw the stereo out the window under these circumstances.
In other dormitories, roommates are allowed to play their stereos as much as they want to without punishment.
a. In what sense does it not matter what the rules are in your particular dormitory? In what sense does it matter?
b. Suppose that instead of just you and your roommate, there are many students making noise, and each of them disturbs many other students. In what sense do the rules now matter more than they used to?
c. In case (b), what sorts of considerations would go into formulating the most efficient rule