@article{thechaineddifferenceindifferences,
  title = {The Chained Difference-in-Differences},
  author = {Christophe Bellégo and David Benatia and Vincent Dortet-Bernardet},
  year = {2023},
  eprint = {2301.01085},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2301.01085v4},
}