Common property resources include fisheries, forests and grazing or irrigation fields. Whenever people share a common resource, the resources will be degraded and eventually ruined because the individuals will pursue their own self-interest. This is also known as rent dissipation. However, potential beneficiaries will only balance marginal private benefit against marginal private cost, choosing q1. Resources are exploited and society as a whole has over-allocated resources to this industry.
Mixed goods provide benefits to private individuals and to the public.
Due to characteristics shared by mixed goods and public goods, neither market nor non-market means of provision can be relied upon. Education demand is modelled below. Figure 1.4 Education - a mixed good. Figure 1.4 represents the demands for all the educational benefits provided by the students consumption of educational services. The curve D1 is the students demand for educational services.