In this paper, a principal's decision between delegating two tasks or handling one of the two tasks herself is analyzed. We assume that the principal uses both, formal contracts and informal agreements sustained by the value of future relationships (relational contracts) as incentive device. It...

We consider antitrust enforcement within the adversarial model used by the United States. We show that, under the adversarial system, the Antitrust Authority may try to prohibit mergers also in those cases in which litigation is inefficient. Even if market concentration and technological...

In this paper, a promotion tournament is considered, where, at the beginning of the tournament, it is unknown how long the tournament lasts. Further, the promotion decision is based on the assessments of a supervisor with imperfect recall. In line with psychological research, the supervisor is...

This paper addresses the selection problem in promotion tournaments. I consider a situation with heterogeneous employees and ask whether an employer might be interested in repeating a promotion tournament. On the one hand, this yields a reduction in uncertainty over the employees' abilities. On...

Summary It is often argued in economics that building a reputation for trustworthiness could help individuals or firms to mitigate or even overcome problems of contractual incompleteness. In this paper, we use data from the German eBay website to test whether a seller’s bad reputation has an...

In this paper, a group contest is analyzed, where the groups are allowed to determine their sharing rules either sequentially or simultaneously. It is found that in case the more numerous group determines its sharing rule prior to the smaller group, rent dissipation in the group contest is...

In some sports leagues, the sports association sells broadcasting rights centrally in order to create competitive balance. In other ones, the market is decentral. As a result, there is competitive imbalance. In this paper, the preferred kind of marketing of sports associations is analysed....