All Stories

  1. Gradual reputation dynamics evolve and sustain cooperation in indirect reciprocity

    Article • PLOS One, August 2025, PLOS

    Hitoshi Yamamoto

  2. Is not helping a bad person good or bad?

    Article • PLOS One, June 2020, PLOS

    Hitoshi Yamamoto

  3. News audience fragmentation in the Japanese Twittersphere

    Article • Asian Journal of Communication, April 2018, Taylor & Francis

    Hitoshi Yamamoto, Tetsuro Kobayashi