“…Finally, our dataset spans the first and (most of) 3 There is a large body of literature attempting ex-ante "evaluation" exercises on the EU ETS. Böhringer, Hoffmann, Lange, Löschel, and Moslener (2005) and Kemfert, Kohlhaas, Truong, and Protsenko (2006), for example, present evidence at the aggregate level, whereas Neuhoff, Keats, and Sato (2006) and Demailly and Quirion (2008), among others, discuss sectorial impacts. 4 Ellerman, Convery, and de Perthuis (2010) and conclude that it is unlikely that there are significant volumes of low-cost CO 2 abatement possibilities with short response times in the Swedish electricity sector.…”