Welcome to my website!

• I’m an applied environmental economist focusing on two major environmental issues, ambient air pollution and climate change.

• I’m an Assistant Professor at CREST, ENSAE and Institut Polytechnique de Paris.

• I’m also a research affiliate at the Institute for Fiscal Studies (IFS), the Institut des Politiques Publiques (IPP) and the House of Sustainable Society (HOSS).

• Don’t hesitate to contact me at marion.leroutier(at)ensae.fr, and see my cv here

• News:

  • September 2026: Co-organizing The Transatlantic Seminar on Environmental and Energy Economics (TSEE-Online). Check out our Fall schedule and sign up!
  • October 2026: Presenting at U Mannheim Workshop on New Developments in the Economics of Air Pollution
  • December 2026: Presenting at CNRS first interdisciplinary workshop on active transportation.