I am a researcher (Directeur de Recherche) at CNRS, affiliated with Centre d'Economie de la Sorbonne (UMR 8174, CNRS and Université Paris 1).

I am also 

• • • the director of Centre d'Economie de la Sorbonne;

    • a professor at the Paris School of Economics (PSE);

    • a CESifo research network fellow.

My primary research topics are economic theory, welfare theory and environmental economics. I am more specifically interested in the questions of intergenerational equity, welfare and risk, and population ethics, in relation to climate change issues.