| − | Nonexcludability goods in economics are those which are used by many people. No one can exclude the use by others.
| + | Non-excludable goods in economics are goods where it is not possible for one individual or group to prevent the use of the good by other individual or group. |
| − | Among [[rival goods]], nonexcludability exists for fish found in the ocean. Among [[nonrival goods]], nonexcludability exists for mathematical discoveries.<ref>http://www.economicprincipals.com/issues/06.11.12.html</ref> | + | Among [[rival goods]], an example is fish found in the ocean. Among [[nonrival goods]], in example is a mathematical discovery.<ref>http://www.economicprincipals.com/issues/06.11.12.html</ref> |