1. We Support Putting a Price on Carbon (World Bank, 2014);
http://go.nature.com/X48JO5
2. Nordhaus, W. D. Am. Econ. Rev. 67, 341–346 (1977).
3. Aldy, J. E., Krupnick, A. J., Newell, R. G., Parry, I. W. H. & Pizer, W. A. J. Econ. Lit. 48, 903–934 (2010).
4. Rio Declaration on Environment and Development 1992 Principle 16 (United Nations, 1992);
http://go.nature.com/fOMXht
5. Cooper, R. N. in Post-Kyoto International Climate Policy: Implementing Architectures for Agreement (eds Aldy, J. E. & Stavins, R. N.) 151–178 (Cambridge Univ. Press, 2010).