Christian Gollier's research spans the fields of economics of uncertainty, environmental economics, finance, consumption, insurance and cost-benefit analysis, with a particular interest in long-term sustainable effects. He founded the Toulouse School of Economics with Jean Tirole in 2007, and has been its director since 2009 (with a hiatus in 2015-2016). He has published over a hundred articles in international scientific journals. He has also published 7 books on risk, including The Economics of Risk and Time (MIT Press), which won the Paul A. Samuelson Award (2001). In 2012, he published Pricing the Planet's Future with Princeton University Press, which he presented at the6th Arrow Lecture at Columbia University.
Christian Gollier is one of the authors of the4th and5th reports of the Intergovernmental Panel on Climate Change (IPCC, 2007 and 2013). He also regularly advises several governments (France, UK, USA, Norway...) on their public investment evaluation policies. He is President of EAERE, the European Association of Environmental Economists. His recent book for the general public, Le Climat après la fin du mois (PUF 2019), on the importance of taking action in the face of climate change, was a great success in France.