@article{oai:kwansei.repo.nii.ac.jp:00019116,
 author = {新海, 哲哉 and Shinkai, Tetsuya},
 issue = {4},
 journal = {経済学論究},
 month = {Mar},
 pages = {23--44},
 title = {二次元差別化モデル分析 : 寡占企業の品質・バラエティ差別化戦略分析への応用},
 volume = {68},
 year = {2015}
}