1. ESRC Centre for Climate Change Economics and Policy and Grantham Research Institute on Climate Change and the Environment, London School of Economics and Political Science, London WC2A 2AE, United Kingdom;
2. Department of Geography and Environment, London School of Economics and Political Science, London WC2A 2AE, United Kingdom
3. Grantham Institute for Climate Change and the Environment, Imperial College London, London SW7 2AZ, United Kingdom
4. Tyndall Centre for Climate Change Research, School of Environmental Sciences, University of East Anglia, Norwich NR4 7TJ, United Kingdom