1 “... limited use of credits would nearly halve mitigation costs; cost savings would be largest for carbon...”

2 “... savings would be largest for carbon-intensive economies. However, one open issue is whether these gains...”

3 “... for the costs of mitigation action and carbon leakage, the role of technology-support policies in lowering...”

4 “... damage of one additional ton of carbon. This is because two features of the impacts of climate change...”

5 “... the cost-effectiveness of this policy framework would include: i) reducing differences in carbon prices...”