- [08/2010- 12/ 2010] Invited Professor – University of Michigan (Ann Arbor, Michigan, USA)
- [07/2008] Invited Researcher – Centro de Investigación y Docencia Económicas CIDE (México, Mexico)
- [09/2007- 12/ 2007] Invited Professor- University of Chicago (Chicago, Illinois, USA)
- [07/2007] Invited Researcher- Centro de Investigación y Docencia Económicas CIDE (México, Mexico )
- [11/2006] Invited Researcher- Fondation Getulio Vargas FGV. (Rio de Janeiro, Brazil)
- [11/2005] Invited Researcher – Fondation Getulio Vargas FGV. (Rio de Janeiro, Brazil)