@article{costlierswitchingstrengthenscompetition,
  title = {Costlier switching strengthens competition even without advertising},
  author = {Sander Heinsalu},
  year = {2021},
  eprint = {2104.08934},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.08934v1},
}