+A common resource is a shared good, often natural, that is difficult to exclude users from, but whose consumption by one diminishes its availability for others. This inherent [rivalry](/wiki/rivalry) combined with non-excludability makes it vulnerable to [resource depletion](/wiki/resource_depletion) if not carefully managed.
+## See also
+- [Public Good](/wiki/public_good)
+- [Private Good](/wiki/private_good)
+- [Excludability](/wiki/excludability)
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