@article{boundsontreatmenteffectsunderstochastic,
  title = {Robustify and Tighten the Lee Bounds: A Sample Selection Model under Stochastic Monotonicity and Symmetry Assumptions},
  author = {Yuta Okamoto},
  year = {2023},
  eprint = {2311.00439},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2311.00439v4},
}