This paper studies gender and racial disparities in altruism among social network members who are endogenously linked. We specify group-specific (gender or race) altruistic interactions models, as well as intra- and inter-group altruistic interactions models, to capture the heterogeneous...

This paper analyzes the formation of partnerships in social networks. Agents randomly request favors and turn to their neighbors to form a partnership. If favors are costly, agents have an incentive to delay the formation of the partnership. In that case, for any initial social network, the...