The Free-Rider Problem Exists Because

Multiple Choice

The free-rider problem exists because

A) some goods or services are rival and leave some people without them.
B) some goods or services are excludable and cause envy for those who don't have them.
C) people must all consume the same public good and so everyone wants to pay for it.
D) private goods or services cause some people to want to take them for free.
E) people cannot be excluded from consuming public goods even if they don't pay for them.