
I am an economist specialized in inequality and in environmental policy. My work focuses on the measurement of economic inequality, its interactions with sustainable development and on the implementation of social and ecological policies.
I am Co-Director of the World Inequality Lab at the Paris School of Economics (PSE) and Affiliate Professor at Sciences Po. I am also a an Associate Researcher at PSE and at the Institute for Sustainable Development and International Relations, as well as Senior Advisor at the European Tax Observatory. I’m currently a Visiting Scholar at the Harvard Kennedy School.

The World Inequality Report 2022 provides the most up-to-date data on global income and wealth inequalities and presents new findings on global gender and climate change inequalities.
“Read this report, shout out its messages, find ways to act upon them.” Esther Duflo and Abhijit Banerjee
Published in English by Harvard University Press, in French by Le Seuil. Available open access online.
More information [Release on 7 December 2021]

Selection of best books in economics – Financial Times
Selection of best science books – Nature magazine
“Essential” – Science magazine
“An original perspective on the two greatest challenges of our times” – Martin Wolf, Financial Times
“An absolute must read” – Thomas Piketty

Data and analysis on global income and wealth inequalities. Book published in 10 languages.

GEM conference organized by the Center for International Development and the Malcom Wiener Center for Social Policy at Harvard University. More information.

Conference entitled “Global Wealth, Gender and Carbon Injustice: New Findings From the World Inequality Report” at Berkeley University [video].

How to protect the environment in an unequal world?

Interview in Le Monde on taxation, inequalities and social policies in a post-covid world, see here.


Interview for the launch of the World Inequality Report 2022.