This paper shows that whether pollution occurs as a by-product of economic activity (which is supposed to be the case in DCs), or as resource extraction (which is supposed to be the case in LDCs), matters for the dynamics of the optimal growth-environment-policy link. The context is a dynamic...

This paper studies optimal second-best corrective regulation, when some agents/activities cannot be perfectly regulated. We show that policy elasticities and Pigouvian wedges are sufficient statistics to characterize the marginal welfare impact of regulatory policies in a large class of...