A study led by Prof. Dr. Hitoshi Yamamoto (Rissho University) and his collaborators from Soka University, Koriyama Women’s College, and the RINRI Institute has made significant strides in the field of indirect reciprocity: a key mechanism for sustaining cooperation in human societies. A study led by Prof. Dr. Hitoshi Yamamoto (Rissho University) and his collaborators from Soka University, Koriyama Women’s College, and the RINRI Institute has made significant strides in the field of indirect reciprocity: a key mechanism for sustaining cooperation in human societies. Social Sciences Phys.org – latest science and technology news stories