Question

What is an externality? someone who wouldn't choose to pay for a certain good or service but who'd get the benefits of it anyway if provided as a public good someone who would choose to pay for a certain good or service but does not get the benefits of it if provided as a public good a shared good or service for which it would be impractical to make consumers pay individually and to exclude nonpayers a side effect of a good or service generating benefits or costs to someone who doesn't decide how much to produce or consume?

Answer 1

An externality is defined as the cost or benefit that affects a group when the group did not choose to receive that cost or benefit. This results in either a position or negative consequence based on what happened to a third party that was not origionally involved.

Someone who wouldn't choose to pay for a certain good or service but who'd get the benefits of it anyway is the best definition given to be the answer to this question.