We develop a model of optimal carbon taxation and redistribution taking into account horizontal equity concerns by considering heterogeneous energy efficiencies. By deriving first- and secondbest rules for policy instruments including carbon taxes, transfers and energy subsidies, we then...

In 2021, Germany adjusted its vehicle taxation scheme, resulting in a disproportionate increase in the tax burden for vehicles with high carbon emission intensity. This article presents empirical evidence on the impact of Germany's vehicle taxation and its reforms on automobile emissions. To...