public good articles

article from lesson 1

Public Good

A good that is non-rival and non-excludable, meaning its use by one individual does not reduce availability for others and no one can be excluded from its benefits.

Non-Rival

A characteristic of a good whereby one person's use does not diminish another person's ability to use it.

Non-Excludable

A characteristic of a good which means that individuals cannot be effectively excluded from its use.

Free Rider Problem

The challenge that arises when individuals have an incentive to use a good without contributing to its provision, since no one can be excluded from it.

Example of a Public Good

National defense, as it protects all citizens without exclusion and is appreciated by everyone without diminishing its value.

Quasi Public Good

A good that is non-excludable but can become rival at high levels of usage, such as public parks and highways.

Government Role in Public Goods

Governments provide public goods because private companies typically cannot profitably supply them due to non-excludability.

Examples of Public Goods

Clean air, lighthouses, flood-control systems, and fireworks at a Fourth of July celebration.

Private Provision of Public Goods

The provision of public goods like radio and television transmission by private companies which charge for advertising.

Impact of Technology on Public Goods

New technologies have enabled private companies to offer non-rival and non-excludable public goods, allowing them to generate revenue through advertising.