@techreport{oai:tsukuba.repo.nii.ac.jp:00053895, author = {大澤, 義明 and SAWA, Ryoji and OKADA, Akira}, month = {Feb}, note = {Revised February 2021}, title = {The Evolution of Collective Choice Under Majority Rule}, year = {2021}, yomi = {サワ, リョウジ} }