@article{oai:tsukuba.repo.nii.ac.jp:00009504,
 author = {酒井, 泰弘 and Sakai, Yasuhiro and 吉住昭彦 and Yoshizumi, Akihiko},
 journal = {筑波大学経済学論集, The University of Tsukuba economic review},
 month = {Oct},
 pages = {L1--L25},
 title = {危険回避企業と費用情報の交換},
 volume = {26},
 year = {1991}
}