@article{econhot_econhot-cited-7b4fc46d0ce2e238,
  title = {Matching Using Estimated Propensity Scores: Relating Theory to Practice},
  author = {Donald B. Rubin and Neal Thomas},
  journal = {Biometrics},
  year = {1996},
  volume = {52},
  number = {1},
  pages = {249},
  doi = {10.2307/2533160},
  url = {https://doi.org/10.2307/2533160}
}