phdid implements the methods of Arora and Wagle (2026). Please cite
both the Ashoka University discussion paper and the SSRN working paper,
and the software as well if the implementation itself matters to your
work.

  Arora, Parush and Rohan Wagle (2026). A Bayesian Approach to Partial
  Homogeneity in Staggered Difference-in-Difference. Ashoka University
  Economics Discussion Paper 166.
  https://www.ashoka.edu.in/research/a-bayesian-approach-to-partial-homogeneity-in-staggered-difference-in-difference/

A BibTeX entry for LaTeX users is

  @TechReport{arora-wagle-2026-dp,
    title = {A Bayesian Approach to Partial Homogeneity in Staggered Difference-in-Difference},
    author = {Parush Arora and Rohan Wagle},
    year = {2026},
    month = {jul},
    institution = {Ashoka University},
    type = {Economics Discussion Paper},
    number = {166},
    url = {https://www.ashoka.edu.in/research/a-bayesian-approach-to-partial-homogeneity-in-staggered-difference-in-difference/},
  }

  Arora, Parush and Rohan Wagle (2026). A Bayesian Approach to Partial
  Homogeneity in Staggered Difference-in-Difference (March 01, 2026).
  Available at SSRN: https://ssrn.com/abstract=7207083 or
  doi:10.2139/ssrn.7207083

A BibTeX entry for LaTeX users is

  @TechReport{arora-wagle-2026-ssrn,
    title = {A Bayesian Approach to Partial Homogeneity in Staggered Difference-in-Difference},
    author = {Parush Arora and Rohan Wagle},
    year = {2026},
    month = {mar},
    institution = {Social Science Research Network},
    type = {SSRN Working Paper},
    number = {7207083},
    doi = {10.2139/ssrn.7207083},
    url = {https://ssrn.com/abstract=7207083},
  }

  Wagle, Rohan and Parush Arora (2026). phdid: Partial Homogeneity in
  Staggered Difference-in-Differences. R package version 0.1.0.
  https://github.com/ronwag2005/phdid

A BibTeX entry for LaTeX users is

  @Manual{phdid-package,
    title = {phdid: Partial Homogeneity in Staggered Difference-in-Differences},
    author = {Rohan Wagle and Parush Arora},
    year = {2026},
    note = {R package version 0.1.0},
    url = {https://github.com/ronwag2005/phdid},
  }