This paper summarises and analyses results of the OECD's Model Comparisons Project. The aim of the project is to better understand differences across six global models in the cost of reducing carbon dioxide emissions. In order to facilitate comparisons, key assumptions and reduction targets have...

This paper surveys various estimates of the macroeconomic implications of reducing greenhouse gas emissions. Most available studies focus on policies to reduce CO2 emissions and are limited to the costs of such policies. The survey first examines the key factors shaping baseline emission...