A public good is a good:
A) for which exclusion is prohibitively costly.
B) for which the marginal cost of adding another consumer is high.
C) that the market will usually provide efficiently.
D) for which exclusion is possible.

Question

Quizplus · Accepted Answer

A public good is a good that is non-excludable, meaning it is difficult or prohibitively expensive to exclude someone from consuming it. In contrast, a private good can be easily excluded, as only those who pay for it can consume it. Therefore, choice A is the correct statement.

A Public Good Is a Good