We compare evaluations of employee performance by individuals and groups of supervisors, analyzing a formal model and running a laboratory experiment. The model predicts that multi-rater evaluations are more precise than single-rater evaluations if groups rationally aggregate their signals about...

We compare evaluations of employee performance by individuals and groups of supervisors, analyzing a formal model and running a laboratory experiment. The model predicts that multi-rater evaluations are more precise than single-rater evaluations if groups rationally aggregate their signals about...

Teamwork has become widely embraced in recent decades; however, its adoption carries significant implications that require thorough understanding. In this paper, we study the relationship between teamwork and selection intensity. The use of teams may increase the value of investing in...