Broadcast television and broadcast radio send out signals that can be received by an infinite number of receivers without reducing the quality of the reception of other consumers of the signal and it is not possible to charge any of the consumers of the signal.

a) What type of good (private, public, common resource, produced by a natural monopoly) is a broadcast television or broadcast radio signal? Explain.

b) Are goods of this type normally provided by private industry? Why?

c) What are the "recent" alternatives to traditional commercial television and commercial radio?