@article{oai:waseda.repo.nii.ac.jp:00062416,
 author = {Kataoka, Takao and Takamatsu, Yoshihiro},
 journal = {Waseda Business & Economic Studies},
 month = {Mar},
 pages = {1--21},
 title = {Optimal labor income taxation and social security programs when private savings are unobservable},
 volume = {55},
 year = {2021}
}