Agood that is both nonexcludable and nonrival-in-consumption is called a

The answer is: Public goods

Explanation:

Public goods are provided by government entities and many times they are given for free or at a very low subsidized price. Public goods are non-excludable since everyone is entitled to use them (e.g. streetlight). Also public goods have no rivals that compete with them (e.g. law enforcement). Most of the public goods are free, but some exceptions exist like the US Mail.

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simpleton is the answer, this is simpleton work