@article{decreasingincomesincreaseselfishness,
  title = {Decreasing Incomes Increase Selfishness},
  author = {Nickolas Gagnon and Riccardo D. Saulle and Henrik W. Zaunbrecher},
  year = {2021},
  eprint = {2107.02888},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2107.02888v1},
}