@article{labourbydesigncontributionsofdavidcard,
  title = {Labour by Design: Contributions of David Card, Joshua Angrist, and Guido Imbens},
  author = {Peter Hull and Michal Kolesár and Christopher Walters},
  year = {2022},
  eprint = {2203.16405},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.16405v1},
}