How do you compare public goods?
Public goods are goods that are non-rivalrous and non-excludable, meaning that one person's consumption does not reduce the availability for others, and that no one can be prevented from enjoying them. Examples of public goods include national defense, clean air, and public parks. But how do you compare public goods and decide which ones are more valuable or efficient? In this article, you will learn some basic concepts and methods to evaluate public goods in the context of economics.