@article{algorithmiccollusionorcompetitiontherole,
  title = {Algorithmic Collusion or Competition: the Role of Platforms' Recommender Systems},
  author = {Xingchen Xu and Stephanie Lee and Yong Tan},
  year = {2023},
  eprint = {2309.14548},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2309.14548v2},
}