@article{nonparametricdifferenceindifferencesin,
  title = {Nonparametric Difference-in-Differences in Repeated Cross-Sections with Continuous Treatments},
  author = {Xavier D'Haultfoeuille and Stefan Hoderlein and Yuya Sasaki},
  year = {2021},
  eprint = {2104.14458},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2104.14458v2},
}