@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042522,
 author = {Nishimura, Kiyohiko G. and Nakajima, Takanobu and Kiyota, Kozo},
 month = {May},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Does Natural Selection Mechanism Still Work in Severe Recessions? : Examination of the Japanese Economy in the 1990s},
 year = {2003}
}