Why is national defence a classic example of a public good
A)Private security services are very difficult to find.
B)It is difficult to exclude people from receiving the benefits from national defence once it is provided.
C)Everyone agrees that some level of national defence is important, but only the government knows the optimal amount.
D)If individuals were required to purchase their own armoured tank, there wouldn't be enough tanks to go around.

Question

Quizplus · Accepted Answer

National defence is a classic example of a public good because it is difficult to exclude people from receiving its benefits once it is provided. This means that even those who do not contribute to the provision of national defence still benefit from it, making it a public good that requires government intervention to ensure adequate provision.

Why Is National Defence a Classic Example of a Public