@article{exitoptionssustainaltruisticpunishment,
  title = {Exit options sustain altruistic punishment and decrease the second-order free-riders, but it is not a panacea},
  author = {Chen Shen and Zhao Song and Lei Shi and Jun Tanimoto and Zhen Wang},
  year = {2023},
  eprint = {2301.04849},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2301.04849v2},
}