A tragedy of the commons occurs when a resource is
A) rival and excludable.
B) rival and non-excludable.
C) non-rival and non-excludable.
D) non-rival and excludable.

Question

Quizplus · Accepted Answer

A tragedy of the commons occurs when a resource is rival (one person's use diminishes another's ability to use it) and non-excludable (no one can be effectively excluded from using the resource), leading to overuse and depletion of the resource.

A Tragedy of the Commons Occurs When a Resource Is