@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042837,
 author = {Matsushima, Hitoshi},
 month = {Feb},
 note = {application/pdf, further revision will be forthcoming in Japanese Economic Review., 本文フィルはリンク先を参照のこと},
 title = {Interlinkage and Generous Tit-for-Tat Strategy},
 year = {2013}
}