The authors develop an agent-based model to reproduce the size distribution of R&D alliances of firms. Agents are uniformly selected to initiate an alliance and to invite collaboration partners. These decide about acceptance based on an individual threshold that is compared with the utility...

In a wide range of circumstances, relational contracts can enable strategies that might not otherwise be possible. While most studies focus on the maintenance and performance of existing relational contracts, this paper explores the origins of interfirm relational contracts, focusing on how...