@article{moreefficientpolicylearningviaoptimal,
  title = {More Efficient Policy Learning via Optimal Retargeting},
  author = {Nathan Kallus},
  year = {2019},
  eprint = {1906.08611},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1906.08611v2},
}