When the price of a good increases, it undoubtedly hurts individual consumers, since they now have to pay more for a particular good. However, there are some cases in which a price increase can actually serve the public interest.

Which of the following is an example of a price increase that serves the public interest? Check all that apply.

(A) A monopolist sets its price above that which would occur in a perfectly competitive market.
(B) The price for a hunting license is increased in an effort to reduce the number of hunters.
(C) A law is passed increasing the price of cigarettes in an effort to decrease secondhand smoke.