@article{BruttelGueth2018,
  author    = {Lisa Verena Bruttel and Werner Gueth},
  title     = {Asymmetric voluntary cooperation},
  journal   = {International Journal of Game Theory},
  series    = {a repeated sequential best-shot experiment},
  volume    = {47},
  number    = {3},
  pages     = {873 -- 891},
  doi       = {10.1007/s00182-018-0633-y},
  year      = {2018},
}