@article{twostagemaximumscoreestimator,
  title = {Two-Stage Maximum Score Estimator},
  author = {Wayne Yuan Gao and Sheng Xu and Kan Xu},
  year = {2020},
  eprint = {2009.02854},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2009.02854v4},
}