User:Nick Gardner /Sandbox

Quasi-public goods

The term "quasi-public goods" is sometimes applied to goods that can be thought of as lying on a spectrum between private goods and public goods. Examples include goods, such as the radio transmissions, for which rivalrousness varies with congestion, and goods such as for which the excludability depends in practice on the cost of access. Besides public goods that cannot be supplied by the market, there are goods that are under-supplied by the market because they yield "external benefits for supplier is not rewarded. Education and the treatment of infectious diseases are example of services that yield benefits beyond those received by those who pay for them.