@article{oai:tsukuba.repo.nii.ac.jp:00002702,
 author = {井上, 正 and Inoue, Tadashi},
 journal = {筑波大学経済学論集, The University of Tsukuba economic review},
 month = {Jan},
 title = {はじめに},
 volume = {45},
 year = {2001}
}