@article{econhot_econhot-cited-6b65073c9f7645f5,
  title = {Nonparametric frontier estimation: a robust approach},
  author = {Catherine Cazals and Jean‐Pierre Florens and Léopold Simar},
  journal = {Journal of Econometrics},
  year = {2002},
  volume = {106},
  number = {1},
  pages = {1-25},
  doi = {10.1016/s0304-4076(01)00080-x},
  url = {https://doi.org/10.1016/s0304-4076(01)00080-x}
}