@inbook{Arrondel2006,
author = {Arrondel, L. and Masson, A.},
title= {Altruism, exchange or indirect reciprocity: What do the data on reciprocity show?},
year = {2006},
doi = {10.1016/S1574-0714(06)02014-8},
editor = {Kolm, S.C.},
editor = {Ythier, J.M.},
booktitle = {Handbook on the economics of giving altruism and reciprocity},
address = {North-Holland},
publisher = {Elsevier},
pages = {971--1053},
}