Homo moralis: personal characteristics, institutions, and moral decision-making / Thomas Deckers (University of Bonn and IZA), Armin Falk (University of Bonn and IZA), Fabian Kosse (University of Bonn and IZA), Nora Szech (KIT, WZB and CESifo) ; IZA. Bonn : IZA, February 2016