Lecture on the first SFB/TR 15 meeting, Gummersbach, July, 18 - 20, 2004: This paper models the trade-off between production and appropriation in the presence of simultaneous inter- and intra-group conflicts. The model exhibits a ' group cohesion effect ': if the contest between the groups...

Companies increasingly shift from hierarchical to team-based organizational structures. Scholars and practitioners alike have emphasized the potential of leadership to foster performance in these settings. However, the causal impact of leadership is difficult to identify, as in agile and...