The best example of a good that has zero marginal cost to add another consumer is:
A) clothing.
B) ice cream.
C) a fishery in the ocean.
D) national defense.

Question

Quizplus · Accepted Answer

National defense is a public good provided by the government that has zero marginal cost to add another consumer. The cost of providing national defense is a sunk cost and is not affected by the number of consumers who benefit from it.

The Best Example of a Good That Has Zero Marginal