In this paper, we study regulation of externalities involving many small-scale polluters, where the damages from emissions depend on the polluters’ locations. Examples include nutrient and pesticide emissions from farms, particulate emissions from vehicles and home heating units, emissions of...

In this paper, we study regulation of externalities involving many small-scale polluters, where the damages from emissions depend on the polluters’ locations. Examples include nutrient and pesticide emissions from farms, particulate emissions from vehicles and home heating units, emissions of...