@article{identifyingcausaleffectsusingasingleprox,
  title = {Identifying Causal Effects Using a Single Proxy Variable},
  author = {Silvan Vollmer and Niklas Pfister and Sebastian Weichwald},
  year = {2026},
  eprint = {2604.09135},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.09135},
}