Using a discrete-continuous model that deals with both consumers' choice and usage of an environmentally differentiated product in a utility-consistent framework, this paper investigates welfare impacts of emission taxes, subsidies and ad valorem taxes/subsidies on a green market where consumers...

We argue that the narrative of variety-induced gains from trade in differentiated goods needs revision. If producing differentiated varieties of a good requires differentiated skills and if the work force is heterogeneous in these skills, then firms are likely to have monopsony power. We show...