@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00041980,
 author = {Lyon, Thomas P. and Eric, Rasmusen},
 month = {Jun},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Option Contracts and Renegotiation in Complex Environments},
 year = {2001}
}