著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL "山崎, 剛志",Group-size effects in a lobbying competition model of tariff determination,,"Faculty of Economics, Niigata University",2007,Working papers,,,,https://cir.nii.ac.jp/crid/1130282271300903040