Charlie loves watching Teletubbies on his local public TV station, but he never sends any money to support the station during their fundraising drives.

Charlie loves watching Teletubbies on his local public TV station, but he never sends any money to support the station during their fundraising drives. What name do economists have for Charlie? How can government solve the problem caused by people like Charlie? Can you think of ways the private market can solve this problem? How does the existence of cable TV alter the situation?