Which of the following is an example of a public good?
A) Amtrak rail transport services
B) services of the U.S. Post Office
C) the provision of medical care
D) the provision of national defense

Question

Quizplus · Accepted Answer

National defense is an example of a public good because it is non-excludable (everyone benefits from it) and non-rivalrous (one person's enjoyment does not decrease the availability or benefit for others). Amtrak rail transport, services of the U.S. Post Office, and medical care are all excludable and/or rivalrous to some extent, and therefore do not meet the full definition of a public good.

Which of the Following Is an Example of a Public