+A **Common Pool Resource** is a shared gift, easily accessed but diminished by each use, where one's take reduces another's share. This inherent rivalry, coupled with difficulty in exclusion, often makes such resources vulnerable to overexploitation, mirroring aspects of the [Tragedy of the Commons](/wiki/tragedy_of_the_commons). Unlike a pure [Public Good](/wiki/public_good), its finite nature demands careful collective governance to ensure enduring availability.
+## See also
+- [Externalities](/wiki/externalities)
+- [Game Theory](/wiki/game_theory)
+- [Sustainability](/wiki/sustainability)
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