著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) 藤井 隆雄,Designing an Optimal Public Pension System,Hitotsubashi University Discussion Paper Series,,,2013,No.578,,1-40,https://cir.nii.ac.jp/crid/1010000782206094470,