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) Ishikawa Jota and Okubo Toshihiro,Environmental and Trade Policies for Oligopolistic Industry in the Presence of Consumption Externalities,The International Economy,03873943,日本国際経済学会,2010,2010,14,59-76,https://cir.nii.ac.jp/crid/1390282680388609920,https://doi.org/10.5652/internationaleconomy.ie2010.04.i.o