Common Pool Resource

See called Common Property Regime

Definition

From the Wikipedia at http://en.wikipedia.org/wiki/Common_Property_Resource

"The terms common-pool resource (CPR), alternatively termed a common property resource, is a particular type of good, and a natural or human-made resource system, whose size or characteristics of which makes it costly, but not impossible, to exclude potential beneficiaries from obtaining benefits from its use. Unlike pure public goods, common pool resources face problems of congestion or overuse, because it is subtractable.

The term "common property regime" refers to a particular social arrangement regulating the preservation, maintenance, and consumption of a common-pool resource. The use of the term "common property resource" to designate a type of good has been criticised, as common-pool resources are not necessarily governed by common property regimes."