Firms have discovered that open source (OS) communities can be valuable sources of innovation. However, the access for firms to these communities turned to be i

Open Source Innovation (OSI) has gained considerable momentum within the last years. Academic and management practice interest grows as more and more end-users

This thesis approaches the phenomenon of open source software (OSS) from a managerial and organisational point of view. In a slightly narrower sense, this thesi

Daniel Ehls analyzes the impact of contextual factors on attracting volunteers into open initiatives. He answers challenging questions like why do users join on

Jan Bierwald presents the individual behavior of members in Online Innovation Communities, in which thousands of users contribute voluntarily to a jointly devel