@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042467,
 author = {Braun, R. Anton and Shioji, Etsuro},
 month = {Dec},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Aggregate Risk in Japanese Equity Markets},
 year = {2003}
}