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...

Milton Friedman has famously claimed that the responsibility of a manager who is not the owner of a firm is "to conduct the business in accordance with their [the shareholders'] desires, which generally will be to make as much money as possible." In this paper we argue that when contracts are...

A real effort experiment is investigated in which supervisors have to rate the performance of individual workers who in turn receive a bonus payment based on these ratings. We compare a baseline treatment in which supervisors were not restricted in their rating behavior to a forced distribution...