The quantitative evaluation of research performance in business administration has recently gained some attention in German-speaking countries. This holds especially for rankings of persons, which are discussed controversially. Rankings of academics can be constructed in two different ways,...

We study the impact of research collaborations in coauthorship networks on total research output. Through the links in the collaboration network researchers create spillovers not only to their direct coauthors but also to researchers indirectly linked to them. We characterize the interior...