Climate change policies have been rising to the top of the global political agenda, but how should governments finance them? Public economists propose solutions based on economic theory, but their political feasibility depends on voters' support, and ordinary households often neglect economic...

This paper studies various options to support allowance prices in the EU Emissions Trading System (ETS), such as adjusting the cap, an auction reserve price, and fixed and variable carbon taxes in addition to EU ETS. We use a dynamic computable general equilibrium model that explicitly allows...