@article{oai:ncu.repo.nii.ac.jp:00000786, author = {神山, 眞一 and 楊, 聯峰}, issue = {4}, journal = {オイコノミカ}, month = {Mar}, pages = {21--81}, title = {情報財の海賊版に関する経済学的分析}, volume = {46}, year = {2010} }