@article{groupnetworkeffectsinpricecompetition,
  title = {Group network effects in price competition},
  author = {Renato Soeiro and Alberto Pinto},
  year = {2021},
  eprint = {2110.05891},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.05891v1},
}