@phdthesis{oai:ynu.repo.nii.ac.jp:00008215,
 author = {張, 俊超},
 month = {Mar},
 school = {横浜国立大学},
 title = {Four Essays in Labor Economics and Microeconometrics : Effects of Educational, Marital, and Fertility Decisions on Labor Market Outcomes},
 year = {2017}
}