Böhringer, C., Koschel, H. and U. Moslener (2007), Efficiency losses from overlapping economic instruments in European carbon emissions regulation, Journal of Regulatory Economics, DOI 10.1007/S11149-007-9054-8.
Eichner, T. and R. Pethig (2008): CO2 emissions control with national emissions taxes and an international emissions trading scheme, discussion paper.
EU (1999): Preparing implementation of the Kyoto Protocol, COM (1999) 230.
EU (2000): Green paper on greenhouse gas emissions trading within the European Union, COM (2000) 87 final (presented by the Commission).
Finally, we insert (E14) into (E9) to get