Gender and peer effects in social networks / Julie Beugnot (CRESE EA3190, Université Bourgogne Franche-Comté), Bernard Fortin (Université Laval, CRREP, CIRANO and IZA), Guy Lacroix (Université Laval, CRREP, IZA and CIRANO), Marie Claire Villeval (Université de Lyon, CNRS, GATE, IZA and University of Innsbruck) ; IZA, Institute of Labor Economics. Bonn, Germany : IZA Institute of Labor Economics, February 2017