@article{oai:tsukuba.repo.nii.ac.jp:00009171,
 author = {酒井, 泰弘 and Sakai, Yasuhiro},
 journal = {筑波大学経済学論集, The University of Tsukuba economic review},
 month = {Oct},
 pages = {1--36},
 title = {ベルトラン複占市場における費用情報交換の厚生効果},
 volume = {19},
 year = {1987}
}