Final answer:
A term for intangible things, such as an oil change, that are sold by retailers is service.
Step-by-step explanation:
A term for intangible things, such as an oil change, that are sold by retailers is service. Services are considered economic products because people pay for them to be performed by someone else. Unlike tangible goods, services are not physical and cannot be touched, but they still have value and are bought and sold in the marketplace.