19) A professional football game played in a completely full stadium is NOT a public good
because it is
A) nonexcludable and nonrival.
B) excludable and nonrival.
C) excludable and rival.
D) nonexcludable and rival.
E) not supplied by the government.
20) One important feature that distinguishes a private good from a public good is that
A) only the government can produce private goods.
B) nobody can be excluded from enjoying the benefits of a private good.
C) a private good is excludable and a public good is nonexcludable.
D) if you consume a unit of a private, that means there is no less for someone else.
E) a private good is nonrival and a public good is rival.
21) One important feature that distinguishes a public good from a private good is that
A) only the government can produce public goods.
B) it is impossible to prevent a person from enjoying the benefits from a public good.
C) if you pay for a unit of a public good, you are guaranteed to be the sole consumer.
D) if you consume a unit of a public good, there is one unit less for someone else.
E) Both answers C and D are correct.