We consider the cost of providing incentives through tournaments when workers are inequity averse and performance evaluation is costly. The principal never benefits from empathy between the workers, but he may benefit from their propensity for envy depending on the costs of assessing...

We compare the wage costs of providing incentives through group versus individual bonus schemes. When workers are envious, either scheme may be the least cost one owing to the trade-off between the dissatisfaction with the prospect of unequal pay and the incentives it generates Nous comparons...

We consider the cost of providing incentives through tournaments when workers are inequity averse and performance evaluation is costly. The principal never benefits from empathy between the workers, by he may benefit from their propensity for envy depending on the costs of assessing performance....

This paper analyses multi-period regulation or procurement policies under asymmetric information between the regulator and regulated firms. As well known in the literature, some degree of separation is always optimal under any form of commitment. In contrast, we show that full pooling is optimal...

Die Dissertation enthält drei Aufsätze, welche sich mit Prinzipal-Agenten Beziehungen in Verbindung mit moralischem Risiko beschäftigen. Dabei ist der Agent für die Ausführung von multiplen Aufgaben (Multitasking) verantwortlich. In dem ersten Aufsatz wird ein Prinzipal-Agenten Modell...

We derive the optimal contract between a principal and a liquidity-constrained agent in a stochastically repeated environment. The contract comprises a court-enforceable explicit bonus rule and an implicit fixed salary promise that must be self-enforcing. Since the agent's rent increases with...

Several European countries have reformed their labor market institutions. Incentive effects of unemployment benefits have been an important aspect of these reforms. We analyze this issue in a principal-agent model, focusing on unemployment levels and labor productivity. In our model, a higher...

Several European countries have reformed their labor market institutions. Incentive effects of unemployment benefits have been an important aspect of these reforms. We analyze this issue in a principal-agent model, focusing on unemployment levels and labor productivity. In our model, a higher...