Field-experimental studies have shown that people litter more in more littered environments. Inspired by these findings, many cities around the world have adopted policies to quickly remove litter. While such policies may prevent people from following the bad example of litterers, they may also...

We conduct a field experiment among 189 stores of a retail chain to study dynamic incentive effects of relative performance pay. Employees in the randomly selected treatment stores could win a bonus by outperforming three comparable stores from the control group over the course of four weeks....

The performance of a work team commonly depends on the effort exerted by the team members as well as on the division of tasks among them. However, when leaders assign tasks to team members, performance is usually not the only consideration. Favouritism, employees' seniority, employees'...

We conducted a field experiment to examine the effects of student feedback to teachers at a large Dutch school for intermediate vocational education. Students evaluated all teachers, but only a randomly selected group of teachers received feedback. Additionally, we asked all teachers before as...

We ran a field experiment in a Dutch retail chain consisting of 128 stores. In a random sample of these stores, we introduced short-term sales competitions among subsets of stores. We find that sales competitions have a large effect on sales growth, but only in stores where the store's manager...

We ran a field experiment at a large Dutch school for intermediate vocational education to examine whether the response of teachers to student feedback depends on the content of the feedback. Students evaluated all teachers, but only a randomly selected group of teachers received feedback....

We ran a field experiment at a large Dutch school for intermediate vocational education to examine whether the response of teachers to student feedback depends on the content of the feedback. Students evaluated all teachers, but only a randomly selected group of teachers received feedback....

We conduct a field experiment in a Dutch retail chain of 122 stores to study the interaction between team incentives, team social cohesion, and team performance. Theory predicts that the effect of team incentives on team performance increases with the team's social cohesion, because social...