Martin S (2025). gpindex: Generalized Price and Quantity Indexes. doi:10.5281/zenodo.10097742. R package version 0.6.3, https://cran.r-project.org/package=gpindex.

Corresponding BibTeX entry:

  @Manual{,
    title = {{gpindex}: Generalized Price and Quantity Indexes},
    author = {Steve Martin},
    year = {2025},
    doi = {10.5281/zenodo.10097742},
    url = {https://cran.r-project.org/package=gpindex},
    note = {R package version 0.6.3},
  }