Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 金田 直之,Experiment for positive externalities: is Coase theorem applicable to the positive externalities?,"学習院大学経済論集 = Gakushuin economic papers : The journal of Faculty of Economics, Gakushuin University",00163953,東京 : 学習院大学経済学会,2010-04,47,1,1-12,https://cir.nii.ac.jp/crid/1520009410455607040,