Studies in the social capital literature have documented two stylised facts: first, a decline in measures of social participation has occurred in many OECD countries. Second, and more recently, the success of social networking sites (SNSs) has resulted in a steep rise in online social...

In many firms, production requires the division of staff into teams. If only team performance is observable, moral hazard in teams is inevitable. This variant of moral hazard can be overcome or exacerbated by the interpersonal relationships among team members. I investigate how the division of...

Effectiveness and efficiency oriented thinking supplements more and more management decisions in the educational context. This development is not only based on socio-economic changes like the decreasement of public funds. The market of educational services grows also constantly and privat...