We analyse optimal environmental policies in a market that is vertically differentiated in terms of the energy … efficiency of products. Considering energy taxes, subsidies to firms for investment in more eco-friendly products, and product … policy instruments. Surprisingly, we find that an industry-friendly government levies an energy tax to supplement a lax …

This study compares energy and emission taxes used to control pollution and provide incentives for the adoption of an … energy tax or an emission tax. We show that the effectiveness of either type of tax depends on the shape of the multi …-product technology. In the absence of economies of scope in the production of energy and abatement, the energy tax reduces pollution but …

environmental regulation taking the shape of standards or taxes. Moreover, the paper shows that environmental externalities and … externalities related to social norms interact and that an optimal environmental policy should consider both types of externalities …

followed the Grenelle de l’environnement encompass policy measures in energy generation, manufacturing, transport, waste … has been made to 'green' the economy, an important challenge that remains is to internalize global and local externalities …