This document defines and provides examples of four types of goods: 1) Rival and exclusive goods like cars and pizza that are used up by individual consumers and others can be excluded. 2) Nonrival and nonexclusive goods like national defense that once provided are available to all and exclusion is difficult. 3) Quasi-public goods that are nonrival but exclusive, like pay TV channels. 4) Open-access goods that are rival but nonexclusive, like fish that anyone can catch but there is a limited supply. It also defines rival, nonrival, exclusive and nonexclusive characteristics of goods.

1. Ashley Mylhousen

2.  Goods with two features:
 1.) The amount consumed by one person is
unavailable to others
 2.) Nonplayers can easily be excluded
 Rival and exclusive
 Examples: car, pizza, TVs

3.  Goods that, once produced, are available to all,
but nonplayers are not easily excluded.
 1.) Nonrival
2.) Nonexclusive
 Examples: national defense, Centers for Disease
Control, police and fire departments.

4. QUASI-PUBLIC GOODS OPEN-ACCESS GOODS
 Goods that, once
produced, are available
to all, but nonplayers
are easily excluded.
 1.) Nonrival
2.) Exclusive
 Examples: TV channel
that is pay per view
 Goods that are rival in
consumption but
exclusion is costly
 1.) Rival
2.) Nonexclusive
Examples: fish in the
ocean, migratory game

5. RIVAL, NONRIVAL EXCLUSIVE, NONEXCLUSIVE
 Rival: Once the good is
consumed, it is
unavailable for others to
consume
 Nonrival: Once the
good is consumed, it is
still available for others
to consume
 Exclusive: Goods that
only paying costumers
can receive
 Nonexclusive: Goods
that anyone can receive.

6. Rival
Exclusive
Nonrival
Nonexclusive