@article{effectidentificationinclustercausal,
  title = {Causal Effect Identification in Cluster DAGs},
  author = {Tara V. Anand and Adèle H. Ribeiro and Jin Tian and Elias Bareinboim},
  year = {2022},
  eprint = {2202.12263},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2202.12263v2},
}