@article{Gardner:6800,
      recid = {6800},
      author = {Gardner, Justin G. and Nehring, Richard F. and Nelson,  Carl H.},
      title = {Genetically Modified Crops, an Input Distance Function  Approach},
      address = {2008},
      number = {1368-2016-108512},
      pages = {20},
      year = {2008},
      abstract = {Our initial findings indicate that GM crops do not  contribute to the decline of traditional family farms. We  make a significant methodological impact by using the  within transformation to remove unobserved individual  effects and demonstrate that the within transformation  results in ML estimates that are identical to OLS  estimates.},
      url = {http://ageconsearch.umn.edu/record/6800},
      doi = {https://doi.org/10.22004/ag.econ.6800},
}