negative externality
external cost
positive externality
external benefit
marginal damage cost
cost of damage caused by emitting an additional unit of pollution
marginal abatement cost
cost of eliminating an additional unit of pollution
coase theorem
in the presence of externalities an economy can always reach an efficient solution provided that the transaction costs of making a deal are sufficiently low
optimal tax
where MAC and MDC meet
3 types of government intervention
environmental standards, emissions tax (pigouvian tax), tradable emissions permits
environmental standard
not cost effective