- "Inference with incomplete models" CIREQ Conference, October 24-25, 2008.
- “Transport, optimization and equilibrium” UBC, July
14-20, 2008, organized jointly with Guillaume Carlier, Roberto Cominetti and Ivar Ekeland.
- “Columbia Transportation Day,” held at Columbia
in June 2007, organized jointly with Pierre-André Chiappori
- “Greater New York Metropolitan Area Econometrics
Conference,” held at Columbia
University in December
2005, organized jointly with Edward Vytlacil.
- “Multidisciplinary Approaches to Climate Change,” conference
held at Columbia University on 17 November 2000
- “Model Selection and the Bootstrap,” conference held at Columbia University on 28 April 2000