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A public good refers to a commodity or service that is made available to all members of society which are paid for through taxation.

# data[].attributes.body
Public goods are nonexcludable (impossible for one user to exclude others from using a good) and nonrivalrous (when one person uses the good it does not prevent another from using it).

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The government provides society with certain public goods because it would be inefficient or impractical for a free market economy to provide these goods on its own.

# data[].attributes.body
Public goods are important because they are designed to be available to the public in general and possess specific qualities that prevent individuals or groups from being unable to access them. They also must be able to withstand use without then becoming unavailable to future users.