In this note, we extend the Goyal and Joshi’s model of collaboration networks in oligopoly to multi-market situations. We examine the incentive of firms to form links and the architectures of the resulting equilibrium networks in this setting. We then present some results on efficient networks.
Billand, P., Bravard, C., Chakrabarti, S., & Sarangi, S. (2014). A Note on Networks of Collaboration in Multimarket Oligopolies. Annals of Regional Science, 53(2), 325-335. https://doi.org/10.1007/s00168-013-0577-x