@article{onlineevaluationmethodsforthecausal,
  title = {Online Evaluation Methods for the Causal Effect of Recommendations},
  author = {Masahiro Sato},
  year = {2021},
  eprint = {2107.06630},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.06630v2},
}