Cooperation, punishment and organized crime: a lab-in-the-field experiment in Southern Italy / Annamaria Nese (University of Salerno), Niall O'Higgins (ILO, University of Salerno and IZA), Patrizia Sbriglia (University of Naples II), Maurizio Scudiero (Ministry of Justice, Italy) ; IZA. Bonn : IZA, April 2016