@article{optimalmultiactiontreatmentallocationa,
  title = {Optimal multi-action treatment allocation: A two-phase field experiment to boost immigrant naturalization},
  author = {Achim Ahrens and Alessandra Stampi-Bombelli and Selina Kurer and Dominik Hangartner},
  year = {2023},
  eprint = {2305.00545},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2305.00545v3},
}