To cite the 'micEconDistRay' package in publications please use:

Price JJ, Henningsen A (2022). “A Ray-Based Input Distance Function to Model Zero-Valued Output Quantities: Derivation and an Empirical Application.” IFRO Working Paper 2022/03, Department of Food and Resource Economics, University of Copenhagen. https://CRAN.R-project.org/package=sfaR/.

See also ‘citation()’ for citing R.

Corresponding BibTeX entry:

  @TechReport{,
    title = {A Ray-Based Input Distance Function to Model Zero-Valued
      Output Quantities: Derivation and an Empirical Application},
    author = {Juan José Price and Arne Henningsen},
    year = {2022},
    institution = {Department of Food and Resource Economics,
      University of Copenhagen},
    url = {https://CRAN.R-project.org/package=sfaR/},
    number = {2022/03},
    type = {IFRO Working Paper},
    url = {https://CRAN.R-project.org/package=sfaR/},
  }