Citation

Source: inst/CITATION

Callaway B, Sant'Anna P (2021). “Difference-in-differences with multiple time periods.” Journal of Econometrics. https://doi.org/10.1016/j.jeconom.2020.12.001.

@Article{,
  title = {Difference-in-differences with multiple time periods},
  author = {Brantly Callaway and Pedro H.C. Sant'Anna},
  year = {2021},
  journal = {Journal of Econometrics},
  url = {https://doi.org/10.1016/j.jeconom.2020.12.001},
}

Callaway B, Sant'Anna P (2021). “did: Difference in Differences.” R package version 2.1.2, https://bcallaway11.github.io/did/.

@Misc{,
  title = {did: Difference in Differences},
  author = {Brantly Callaway and Pedro H.C. Sant'Anna},
  year = {2021},
  note = {R package version 2.1.2},
  url = {https://bcallaway11.github.io/did/},
}