In this paper we analyze R&D collaboration networks in industries where firms are competitors in the product market. Firms' benefits from collaborations arise by sharing knowledge about a cost-reducing technology. By forming collaborations, however, firms also change their own competitive...

Am 26. Januar 2005 hat das Bundesverfassungsgericht das Studiengebührenverbot aufgehoben. Damit ist es den einzelnen Bundesländern freigestellt, ob sie Gebühren erheben oder nicht. Während in der Literatur zum Thema Studiengebühren deren Finanzierungsfunktion im Vordergrund steht, widmet...

The effects of the three-point rule in first league German soccer are tested empirically and compared to games from the German cup-competition. The inclusion of cup games ensures that changes in league games can be attributed to the three-point rule. As a result of their relative devaluation,...