1 “... as it involves multiple and overlapping pricing schemes with significant sectoral differences in carbon prices...”

2 “... warming and local air pollution. Differences between efficient prices and retail fuel prices are large...”

3 “... environmental damages from energy can be quantified for different countries and used to design the efficient set...”

4 “... harmonizing taxes for pollution content across different fuels and end-users, better aligning tax rates...”

5 “... to consider how to apply BCAs across countries with different approaches to emissions mitigation. BCAs alone...”

6 “...) why/to what extent needed policies and their impacts differ across countries. This paper provides...”

7 “... across countries with different approaches to emissions mitigation. BCAs are challenging because...”