Ellingsen, Tore; Johannesson, Magnus - Economics Institute for Research (SIR), … - 2006
that social norms encourage gen-
erosity in the time domain.
JEL classification: C91, J20, L14, Z13.
Keywords: Altruism … gifts may constitute better signals of altruism
than money does (Camerer,1988, Prendergast and Stole, 2001, Ellingsen and …