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) ,Why Can't We Hedge Our Risk (II),"The Aoyama Journal of Economics 59, 4",,,2008,,,75-101,https://cir.nii.ac.jp/crid/1010282256915716485,