Das Ausbildungsgeschehen in Deutschland lässt sich als kollektive Handlung betrachten. Zur Überwindung des grundsätzlich vorliegenden Trittbrettfahrerproblems tragen Betriebe, die unabhängig von ihrem Fachkräftebedarf rentabel ausbilden können, einen maßgeblichen Anteil bei....

Group Purchasing Organizations (GPOs) increasingly gain in importance with respect to the supply of pharmaceutical products and frequently use multiple or exclusive rebate contracts to exercise market power. Based on a Hotelling model of horizontal and vertical product differentiation, we...

In this paper we consider trends in the distribution of player talent across association football clubs over time. Player talent is the most important prerequisite for team success in professional sports leagues and changes in players' assortativeness in regard to the clubs they play for may...