Ellingsen, Tore; Johannesson, Magnus - Economics Institute for Research (SIR), … - 2007
words: Punishment, Approval, Disapproval, Dictator game, Altruism, Communication,
Verbal feedback.
JEL Codes: C91, D64 …
INTRODUCTION
Human altruism is considered an evolutionary puzzle (Nowak 2006).
1
While repeated
interaction and reputation … formation can explain altruistic behavior in small closely-knit
groups, altruism is often considerable among strangers who …