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 "吉田, 素教",Is direct underwriting of public bonds by the central bank an effective policy in Japan?,,"School of Economics, Osaka Prefecture University",2015,Discussion paper new series,,,,https://cir.nii.ac.jp/crid/1130000794783779584