• Business angels investing in green ventures: how do they add value to their start-ups? 

      Siefkes, Meike Isabelle; Bjørgum, Øyvind; Sørheim, Roger (Journal article; Peer reviewed, 2023)
      This study investigates how business angels (BAs) add sustainability value to green ventures and how these value-adding activities are dependent on the BAs’ sustainability characteristics, i.e., motivation to invest, ...
    • The ivory tower of business angel research 

      Landström, Hans; Sørheim, Roger (Journal article; Peer reviewed, 2019)
      As researchers we need to be relevant, not only to our peers, but also to external stakeholders. We need to make a societal impact. In this study we explore the extent and characteristics of the implications for external ...