@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042619,
 author = {Sugawara, Shinya and Nakamura, Jiro},
 month = {Mar},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Can formal elderly care stimulate female labor supply? The Japanese experience},
 year = {2014}
}