@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042234,
 author = {Nakata, Hiroyuki and Sawada, Yasuyuki},
 month = {Jan},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Demand for non-life insurance: A cross-country analysis},
 year = {2007}
}