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 "川又, 邦雄",On the measurement of welfare changes at the second-best optima,,"Institute of Economic Research, Hitotsubashi University",1989,Discussion paper series,,,,https://cir.nii.ac.jp/crid/1130282271798321536