Retrospectives: Tragedy of the Commons after 50 Years

Garrett Hardin’s “The Tragedy of the Commons” (1968) has been incredibly influential generally and within economics, and it remains important despite some historical and conceptual flaws. Hardin focused on the stress population growth inevitably placed on environmental resources. Unconstrained consumption of a shared resource—a pasture, a highway, a server—by individuals acting in rational pursuit of their self-interest can lead to congestion...