When employers observe imperfect measures of worker effort, theorists typically assume that observed effort is unimodal and symmetrically distributed. Though observable effort may be distributed in different ways within a work day, for example, available field data on these effort distributions...

This paper examines the use of prizes as an incentive device in team production environments. We reward team members in two different ways. First, heterogeneously endowed individuals are given a monetary prize for high absolute levels of contributions. Secondly, a prize is given for high levels...