title: From Friends to Foes: National Identity and Collaboration in Diverse Teams
abstract: This project studies collaboration in highly skilled, nationally diverse teams.An unexpected international political conflict makes national diversity more salient among existing and potential team members.I exploit this natural experiment to quantify the role of social, identity-driven, costs for performance and formation of diverse teams.Using microdata from GitHub, the world's largest hosting platform for software projects, I estimate the causal impacts of a political conflict that burst out 
journal: Econstor (Econstor)