In many organizations, decisions are taken by unanimity giving each member veto power. We analyze a model of an organization in which members with heterogenous productivity privately contribute to a common good. Under unanimity, the least efficient member imposes her preferred effort choice on...

Die vorliegenden Überlegungen sind darauf gerichtet, die Ideen und wesentlichen Gedanken Nationaler Innovationssysteme aufzugreifen und in den Kontext einer wissensbasierten Ökonomie zu stellen. Neben den Akteuren oder Spielern geht es um die Regeln und Funktionsmechanismen und schließlich...

Der Wettbewerbsdruck in der europäischen Milchviehhaltung nimmt durch die fortschreitende Liberalisierung des EU-Milchmarktes zu. Bestehende agrarökonomische Forschungsmethoden sind nur begrenzt dazu in der Lage, belastbare Abschätzungen der regionalen Wettbewerbsfähigkeit und künftiger...

We examine the formation of networks among a set of players whose payoffs depend on the structure of the network. We focus on games where players may bargain by promising or demanding transfer payments when forming links. We examine several variations of the transfer/bargaining aspect of link...

In this paper, we compare two different representations of Framework Programs as affiliation network: 'One-mode networks' and 'Two-mode networks'. The aim of this article is to show that the choice of the representation has an impact on the analysis of the networks and on the results of the...

Third party access to postal networks can be made subject to a range of access conditions. While the pricing of postal network access has received much research attention, the effects of access on quality of service have received less. Using data on international postal services in a large panel...