Affiliation: | 1.Institute for Population and Development Studies, School of Public Policy and Administration, Xi’an Jiaotong University, Xi′an, China ;2.Management and Economics Department, Xi′an Technological University, Xi′an, China ;3.School of Management, Xi’an Polytechnic University, Xi′an, China ;4.Gerontology Research Center, Department of Gerontology, Simon Fraser University, Burnaby, Canada ;5.Oxford Institute of Population Ageing, University of Oxford, Oxford, England, UK ;6.Department of Sociology, Wuhan University, Wuhan, China ; |