1. Canada Research Chair in International Agri-Food Trade, CREATE, 2425 rue de l’Agriculture, local 4417 pavillon Paul-Comtois; U. Laval; Québec QC G1V0A6
2. Department of Economics; Iowa State University; Ames IA 50011
3. CREATE, U. Laval, 2425 rue de l'Agriculture, pavillon Paul-Comtois; University of Laval; Québec QC G1V0A6