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) Shuichi Ohori,Optimal Environmental Tax and Level of Privatization in an International Duopoly,Journal of Regulatory Economics,0922-680X,Springer Science and Business Media LLC,2006-03,29,2,225-233,https://cir.nii.ac.jp/crid/1361418521120738176,https://doi.org/10.1007/s11149-006-6037-0