@article{Chavas:200451,
      recid = {200451},
      author = {Chavas, Jean-Paul and Cox, Thomas L.},
      title = {Non-Parametric Demand Analysis: A Duality Approach},
      address = {1987-01},
      number = {1800-2016-142222},
      series = {265},
      pages = {19},
      year = {1987},
      url = {http://ageconsearch.umn.edu/record/200451},
      doi = {https://doi.org/10.22004/ag.econ.200451},
}