We study how restrictive immigration policies and the unexpected loss of peers affect the performance of skilled migrants, exploiting the unexpected increased denials of H-1B visa extensions in the United States beginning in 2017. We find that employees who lost peers of the same ethnic...

We study how restrictive immigration policies and the unexpected loss of peers affect the performance of skilled migrants, exploiting the unexpected increased denials of H-1B visa extensions in the United States beginning in 2017. We find that employees who lost peers of the same ethnic...

This paper examines the changes in the labour market experience of different immigrantand ethnic minority groups in the UK over time. The analysis suggests that, in early 90salthough there was no clear cut evidence of segregation in terms of employability, certaingroups of minority natives were...

We analyze how the team formation process influences the ability composition and performance of teams, showing how self-selection and random assignment affect team performance for different tasks in two natural field experiments. We identify the collaboration intensity of the task as the key...