Principles of Economics 3e: Chapter 13, Positive Externalities and Public Goods Opens in new tab
Steven A. Greenlaw, David Shapiro, Daniel MacDonald, and contributors · OpenStax
Why it earns a place
Externalities, public goods, free riding, common resources, and the economic logic of collective action.
How to study it
Read the sections on common resources and the tragedy of the commons. Note where the simple tragedy model is helpful and where it is too simple.