@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042517,
 author = {Kandori, Michihiro and Roberto, Serrano and Oscar, Volij},
 month = {Jun},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Decentralized Trade, Random Utility and the Evolution of Social Welfare},
 year = {2004}
}