@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042429,
 author = {Akai, Nobuo and Sasaki, Dan},
 month = {Mar},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Action Timing as a Collusive Common Good},
 year = {2005}
}