This paper provides evidence that interbank markets are tiered rather than flat, in the sense that most banks do not lend to each other directly but through money center banks acting as intermediaries. We capture the concept of tiering by developing a core-periphery model, and devise a procedure...

The discussion on regional innovation systems emphasizes the duality of local and global links. While the former enable effective knowledge exchange between regional actors, the latter are considered to provide regional systems with knowledge diverse to their knowledge base. Our empirical...

This paper provides evidence that interbank markets are tiered rather than flat, in the sense that most banks do not lend to each other directly but through money center banks acting as intermediaries. We capture the concept of tiering by developing a core-periphery model, and devise a procedure...

Wenngleich die positiven Effekte von Kooperationen bereits in einer Vielzahl von Untersuchungen nachgewiesen werden konnten, erfährt die Frage nach den Determinanten der Neigung von Unternehmen, Kooperationsbeziehungen einzugehen, in der Forschung zu Unternehmenskooperationen bisher nur geringe...

This paper provides evidence that interbank markets are tiered rather than flat, in the sense that most banks do not lend to each other directly but through money center banks acting as intermediaries. We capture the concept of tiering by developing a core-periphery model, and devise a procedure...

This paper provides evidence that interbank markets are tiered rather than flat, in the sense that most banks do not lend to each other directly but through money center banks acting as intermediaries. We capture the concept of tiering by developing a core-periphery model, and devise a procedure...

We consider the current bipartite graph of German corporate boards and identify a small core of directors who are highly central in the entire network while being densely connected among themselves. To identify the core, we compare the actual number of board memberships to a random benchmark,...