Ontology highlight
ABSTRACT:
SUBMITTER: Tilman AR
PROVIDER: S-EPMC6431189 | biostudies-literature | 2019 Mar
REPOSITORIES: biostudies-literature
Tilman Andrew R AR Dixit Avinash K AK Levin Simon A SA
Proceedings of the National Academy of Sciences of the United States of America 20181008 12
The presence of prosocial preferences is thought to reduce significantly the difficulty of solving societal collective action problems such as providing public goods (or reducing public bads). However, prosociality is often limited to members of an in-group. We present a general theoretical model where society is split into subgroups and people care more about the welfare of others in their own subgroup than they do about those in out-groups. Individual contributions to the public good spill ove ...[more]