[1] Shanghai Univ Finance & Econ SUFE, Dept Econ Sociol, Shanghai, Peoples R China
[2] Natl Univ Singapore, Lee Kuan Yew Sch Publ Policy, Singapore, Singapore
[3] Natl Univ Singapore, Dept Sociol, Singapore, Singapore
[4] Jilin Univ, Sch Philosophy & Sociol, Jilin, Jilin, Peoples R China
[5] Natl Univ Singapore, Ctr Family & Populat Res CFPR, Singapore, Singapore