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'...

A worker's utility may increase with his income, but envy can make his utility decline with his employer's income. This article uses a principal-agent model to study profit-maximizing contracts when a worker envies his employer. Envy tightens the worker's participation constraint and so calls...

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...

Civil servants have a reputation for being lazy. However, people's personal experiences with civil servants frequently run counter to this stereotype. We develop a model of an economy in which workers differ in laziness and in public service motivation, and characterise optimal incentive...

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....

We conduct a field experiment in a Dutch retail chain with 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 depends on a team's social cohesion. In particular,...

This paper develops a simple economic model to examine how leadership styles in organizations depend on the prevailing wage-setting conditions for workers. In particular, we examine a leader who can - in addition to the use of monetary incentives - motivate a worker by adopting leadership styles...