Multipollutant Markets

Juan-Pablo Montero

July 2001

Juan-Pablo Montero, July 2001

I study the optimal design of marketable permit systems to regulate various pollutants (e.g. air pollution in urban areas) when the regulator lives in a real world of imperfect information and incomplete enforcement. I show that the regulator should have pollution markets integrated through optimal exchange rates when the marginal abatement cost curves in the different markets are steeper than the marginal benefit curves; otherwise he should keep markets separated. I also find that incomplete enforcement reduces the advantage of market integration.


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