We propose a realistic approach to climate policy based on the Copenhagen Agreement to reduce Greenhouse Gases (GHGs) emissions. We assess by how much the non-binding, although official, commitments to reduce emissions made in Copenhagen will affect the level of world GHGs emissions in 2020. Our...

The possible introduction of a carbon tax in Europe is an issue which has attracted the attention of numerous economists and policymakers. The problems under debate concern the effects of the tax at different levels: what costs, in terms of GDP growth, will be paid by each European country? Will...