Question

multiple choice question the uncompensated cost of an activity that is imposed on a third party is called: negative cost. a positive externality. marginal cost. a negative externality.

Explanation:

An uncompensated cost imposed on a third party from an activity is defined as a negative externality. Negative costs are not a standard term in this context; positive externalities refer to uncompensated benefits to third parties; marginal cost is the cost of producing one additional unit, unrelated to third-party impacts.

Answer:

D. a negative externality.