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...

New forms of labour intermediation through digital platforms such as Uber, Deliveroo or Amazon Mechanical Turk can be conceptualised as the latest stage of a long-lasting process of disaggregation of the firm and “disorganisation of labour law.” In particular, the rise of platform-mediated...