The quality of one's social network significantly affects his economic success. Even after the skill acquisition period, the social network influences economic success through various routes such as mentoring, job searching, business connections, or information channeling. In this paper I...

We investigate the effects of group identity and income inequality on social preferences and polarization by means of a laboratory experiment. We split our subjects into two populations: in-group (representing "natives") and out-group ("migrants"). In-group subjects repeatedly vote whether an...

Scholars have pointed to ethnic and other social divisions as a leading cause of economic underdevelopment, due in part to their adverse effects on public good provision and collective action. We investigate this issue in post-war Sierra Leone, one of the world's poorest countries. To address...