Enstad E (2026). metafrontier: Analysis of Metafrontier Models for Efficiency and Productivity. R package version 0.2.1, https://github.com/iik1/metafrontier.

Corresponding BibTeX entry:

  @Manual{,
    title = {metafrontier: Analysis of Metafrontier Models for
      Efficiency and Productivity},
    author = {Erik Enstad},
    year = {2026},
    note = {R package version 0.2.1},
    url = {https://github.com/iik1/metafrontier},
  }