Information exchange in policy networks is usually attributed to preference similarity, influence reputation, social trust and institutional actor roles. We suggest that political opportunity structures and transaction costs play another crucial role and estimate a rich statistical network model...

Die vorliegende Studie enthält eine vergleichende empirische Analyse des institutionellen Wandels in der Telekommunikation in vier westeuropäischen Ländern: Großbritannien, Frank.reich, Italien und der Bundesrepublik Deutschland. In allen diesen Ländern gerieten die institutionellen...

The European Community as a social configuration, with its complex division of competencies and action capacities between EC institutions and national governments, is still difficult to conceptualize. In this context the authors propose the concept of corporate actor networks in order to...

Different sub-disciplines of the social sciences analyse the evolution and diffusion of technical innovations from an institutional perspective. Important contributions are provided by socio-economic studies of national systems of innovation, by politico-economic research on the varieties of...