How does team-specific capital affect productivity? We examine the teams that primary care physicians (PCPs) assemble when referring patients to specialists. Our theoretical model finds that team-specific capital is greater when PCPs concentrate their referrals within a smaller set of...

How does team structure affect productivity? We address this question with an application to healthcare by examining the teams that primary care physicians (PCPs) assemble when they refer patients to specialists. Our theoretical model analyzes how PCPs trade off costly coordination against...