Non-rival
The use of a good by one does not diminish the use of it for another
Non-excludable
Those who have no paid for the good cannot be excluded
Non-rejectable
Once a public good is provided it cannot be rejected by beneficiaries
Free rider problem
An economic concept of a market failure that occurs when people are benefiting from resources, goods, or services that they do not pay for.
Quasi-public good
A good or service with some of the characteristics of a public good or only some of the time eg. beach, road
Quasi-public good characteristics
Government failure
When government intervention increases the welfare loss