A cap is imposed on the carbon tax rate if the total tax revenue is not allowed to increase. Using recent data on the carbon-intensity of the economy and the overall tax take, I show that this cap constrains almost any climate policy in at least some countries. A larger number of countries,...

We use a standard computable general equilibrium model to explore the fiscal implications of stringent carbon dioxide emission reduction in Europe. Both the immediate targets (20-30% by 2020) and the medium-term targets (80-90% by 2050) for abatement can be met with a carbon tax that is modest...