?:authorAffiliation
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[\'Institution of Population and Labor Economics, The Chinese Academy of Social Science, Beijing, China.\', \'School of Public Administration, Zhongnan University of Economics and Law, Wuhan, China.\', \'School of Economics, Zhejiang Gongshang University, Hangzhou, China.\', \'School of Economics and Management, Zhejiang A&F University, Hangzhou, China.\']
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