Marion Leroutier

Marion Leroutier is an Assistant Professor at CREST-ENSAE in Paris, specializing in applied environmental economics. She focuses on ambient air pollution and climate change, particularly their societal, economic, and health impacts. Her work explores the determinants of support for green policies, gender disparities in carbon footprints, and economic costs of pollution.

• Affiliated with the IFS, Misum, and IPP as a research affiliate
• Teaches Introduction to Economics (Bachelor) and Empirical Environmental Economics (Master) at ENSAE

Her research integrates granular data on individual behavior with environmental metrics, revealing how socioeconomic factors and preferences shape emissions. Recent studies quantify the economic benefits of aligning air quality with WHO guidelines and the health potential of cycling.

She has presented at conferences such as EAERE, LSE Environment Week, and Misum Conference, with media coverage in The Guardian, The Economist, and Le Monde. For collaboration or inquiries, contact her directly at marion.leroutier@ensae.fr.