An externality is an unintended side effect that benefits or harms a third party not involved in the activity. select the best answer from the choices provided t f

TRUE

"Externality" is the term which is used to describe an unintended side effect that affects a third party that had no involvement in the activity that caused the side effect. The side effect is called a positive externality if it benefits the third party, while it is called a negative externality if it is harmful to the third party.