Koen Decancq

Assistant Professor at the University of Antwerp

Member of the Chair on Welfare Economics and Social Justice at CEM-FMS

Research fellow at the public economics working group of CES (K.U.Leuven) and an associate fellow at CORE (U.C.Louvain)

He obtained his PhD at the Katholieke Universiteit Leuven in 2009, and then served during two years as a postdoctoral research fellow there. He has published several papers in journals such as the Econometric Reviews, Economica, Economic Letters, the Journal of Economic Theory, or World Development.

In the project, he is in charge of applying the methodology of equivalent-income using happiness data, and comparing it to other methodologies that rely and do not rely on individual perceptions and values

Koen Decancq’s webpage


Grégory Ponthière

Maître de Conférences at the Ecole Normale Supérieure de Paris

Member of the Chair on Welfare Economics and Social Justice at CEM-FMSH

Associated member at the Paris School of Economics

Associated researcher at CERSES, Université Paris-Descartes and CNRS

He has published several papers in journals such as the Journal of Health Economics, the Journal of Population Economics, the Journal of Public Economic Theory and Mathematical Social Sciences.

In the project, he is in charge of exploring the challenges raised by unequal and risky longevity for the design of fair tax policies. Several taxation issues will be examined, including not only labour income taxation, but, also, the optimal fiscal treatment of prevention activities and of risky activities, such as sin goods consumption, as well as the design of optimal pension systems. The issue of capital taxation will also be examined in a dynamic framework.

Grégory Ponthière’s website


Marc Fleurbaey

Director of the Chair on the Economics of Welfare and Social Justice at the CEM FMSH (Paris)

Robert E. Kuenne Professor of Economics and Humanistic Studies at the University of Princeton (USA)

He obtained his PhD at EHESS in 1994, and then was a professor of economics and CNRS researcher in France.

He has published Fairness, Responsibility, and Welfare (Oxford 2008) and A Theory of Fairness and Social Welfare (Cambridge 2011, with F. Maniquet), as well as many articles in welfare economics, public economics, and political philosophy in journals such as Econometrica, the Journal of Economic Theory, or the Journal of Political Economy.

In the project, he is in charge of describing the general methodology of fair social choice and equivalent income and of helping other group members extending the methodology to situations involving risk and time.

Marc Fleurbaey’s webpage

Stéphane Zuber

Project coordinator

Chargé de Recherche at CNRS, affiliated with CERSES, Université Paris-Descartes and CNRS

Coordinator of the Chair on Welfare Economics and Social Justice at CEM-FMSH

Associated researcher with the Chair of Integrative Risk Management and Economics (IRME), Center for Economic Research, ETH Zürich

He obtained his PhD at Toulouse School of Economics in 2007, and then was a postdoctoral research student at CORE, Université catholique de Louvain, under a FP7 intra-european research fellowship.

He has published several papers in international peer-reviewed journal such as the Journal of Economic Theory, the International Economic Review, Social Choice and Welfare or Theory and Decision.

He in charge of extending the fair social evaluation methodology to environments involving risk and several generations, discussing the implications for climate change policies and inequality assessment in this context.

Stéphane Zuber’s website

Franz Dietrich

Franz Dietrich

Chargé de Recherche at CNRS, affiliated with CERSES, Université Paris Descartes and CNRS

Member of the Chair on Welfare Economics and Social Justice at CEM-FMSH

Part-time Professor of Economics at the University of East Anglia

Lachmann Fellow for research in economics and philosophy, London School of Economics, Department of Philosophy, Logic and Scientific Method, 2009-2011

Nuffield Foundation New Career Fellow, London School of Economics, Centre for Philosophy of Natural and Social Science, 2006-2009.

Assistant Professor of Economics, Maastricht University, Department of Quantitative Economics, 2005-2008

Postdoctoral Research Fellow in the Philosophy, Probability and Modelling Group, Centre for Junior Research Fellows, Konstanz University, 2002-2005

He works primarily on foundational questions about individual and social decisions, from normative, formal and methodological perspectives. His current research includes the theory of judgment aggregation and the modelling of reasons underlying choice. More information is available at his homepage.

In the project, he is in charge of describing the formation and evolution of other-regarding preferences.

Franz Dietrich’s webpage