We examine altruistically motivated consumption transfers in an effort
to account for nonmarket transfers. We find that altruistic linkages
lead to autonomous, negotiation-free transfers, and that such transfer
s positively respond to stronger altruism. We also find that given fai
rly natural assumptions concerning the altruism parameters, mutual alt
ruism does not necessarily result in group (social) harmony, even thou
gh its rise narrows the conflict range. In spite of enhanced transfers
prompted by such a rise, both parties may end up worse off. These res
ults help explain why in some social environments a shift toward marke
t-oriented transfers and exchanges may be quicker than in others, as t
he disadvantages (decline in utility) associated with intragroup altru
istic linkages outweigh the advantages.