Which of the following is an example of a public good?

Question

Quizplus · Accepted Answer

A public good is a good or service that is non-excludable and non-rivalrous, meaning that everyone can benefit from it and one person's use of it does not diminish its availability to others. Clean air meets both of these criteria, as it is available for everyone to breathe and one person's use of it does not make it less available for others to use. Cell phones, washing machines, food, and automobiles are not public goods as they are either excludable (meaning people can be prevented from using them) or rivalrous (meaning one person's use of them can diminish their availability to others).

Which of the Following Is an Example of a Public