@article{UBHD-68669303,
  author={Breunig, Christoph and Mammen, Enno and Simoni, Anna},
  title={Ill-posed estimation in high-dimensional models with instrumental variables},
  year={2020},
  pages={171-200},
  language={eng},
  volume={219},
  number={1},
  note={Gesehen am 04.12.2020},
  journal={Journal of econometrics},
  doi={10.1016/j.jeconom.2020.04.043},
}
@article{UBHD-69283936,
  author={Breunig, Christoph and Mammen, Enno and Simoni, Anna},
  title={Ill-posed estimation in high-dimensional models with instrumental variables},
  year={2020},
  pages={171-200},
  language={eng},
  issn={0304-4076},
  volume={219},
  number={1 vom: Nov.},
  journal={Journal of econometrics},
}