@article{competitionoverdatahowdoesdatapurchase,
  title = {Competition over data: how does data purchase affect users?},
  author = {Yongchan Kwon and Antonio Ginart and James Zou},
  year = {2022},
  eprint = {2201.10774},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2201.10774v2},
}