№ 480. Pigovian Tax

A Pigovian tax (also spelled Pigouvian tax) is a tax on any market activity that generates negative externalities (costs not included in the market price). The tax is intended to correct an undesirable or inefficient market outcome (a market failure), and does so by being set equal to the external marginal cost of the negative externalities. Social cost include private cost and external cost.

Pigovian Taxes