Munetomo Ando Advanced Research Institute for the Sciences and Humanities, Nihon University   ARISH, Nihon University 12-5, Goban-cho, Chiyoda-ku Tokyo, 102-8251 Japan   ando.munetomo@nihon-u.ac.jp   http://munetomoando.net/index-e.html           JEL Areas: D7 : Analysis of Collective Decision-Making: General D8 : Information, Knowledge, and Uncertainty: General