If you use this software, please cite the package and paper as below:

  Kreitmeir, D., and Düben, C. (2025). synthReturn. R Package Version
  1.0.0.

A BibTeX entry for LaTeX users is

  @Manual{,
    title = {synthReturn},
    author = {David Kreitmeir and Christian Düben},
    year = {2025},
    note = {R Package Version 1.0.0},
    url = {https://github.com/davidkreitmeir/synthReturn},
  }

  Kreitmeir, D., Lane, N., Raschky, P. (2023). The Value of Names -
  Civil Society, Information, and Governing Multinationals. Journal of
  the European Economic Association (Conditionally Accepted).

A BibTeX entry for LaTeX users is

  @Article{,
    title = {The Value of Names - Civil Society, Information, and Governing Multinationals},
    author = {David Kreitmeir and Nathan Lane and Paul Raschky},
    year = {2025},
    volume = {Conditionally Accepted},
    journal = {Journal of the European Economic Association},
  }