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) Gao Shirong, Li Junyan, " to promote elderly groups of happiness index " To raise the aged group happiness index Chinese social report. Lanzhou University press 20062) Liu Xiaoxia " urban empty nester community care of " The Research on the Community Care for the Urban Empty-nesters Lianyungang City Donghai County social labor insurance management office, Lianyungang 222300 Chinese classification C913 Zhang Chuanhui Zhao Li Chen Zhaojun 1006-4311-2010-04-0091-033 ) " influence the city empty nester pension effect factors analysis of " Analysis of factors affecting urban elderly empty nest of endowment effect Zhao Li Chen Zhaojun Northeast Forestry University 4 ) Mu Guangzong " the nest family of pension problem ", 5 ) Wang Wulin An Heping " empty nester characteristics and status of life quality of 6 ) Shen Shao " empty nest " investigation and Thoughts on family phenomenon " Guangdong Province shipping research