We derive the optimal contributions to global climate policy when countries differ with respect to income level and pollution intensity. Countries' growth rates are determined endogenously, and abatement efficiency is improved by technical progress. We show that country heterogeneity has a...

The purpose of this article is twofold: First to discuss three misconceptions in the debate on climate policies: i) that de-growth is necessary, ii) that the market economy is part of the problem rather than part of the solution to climate change, and iii) that the only policy tool needed is to...