@article{CTT100770347,
  author = {Shimpei and Mayuko Nakamaru and Tokinao Otaka and Shimao and Ken-Ichi Shimomura and Takehiko Yamato},
  title = {Reciprocity and exclusion in informal financial institutions: an experimental study of rotating savings and credit associations},
  journal = {PLOS ONE},
  year = 2018,
}

@article{CTT100648585,
  author = {Hajime Shimao and Mayuko Nakamaru},
  title = {Strict or graduated punishment? Effect of punishment strictness on the evolution of cooperation in continuous public goods games},
  journal = {PLOS ONE     (accepted)},
  year = 2013,
}

@misc{CTT100626861,
  author = {中丸麻由子 and 関口卓也 and 島尾堯},
  title = {意思決定に関する進化シミュレーション},
  year = 2011,
}