LiJianmin,PhDofeconomics,bornin1955,currentlyisprofessorinPopulationandDevelopmentInstituteofNankaiUniversity,VicePresidentofChinaPopulationAssociation,andmemberofExpertCommitteeofNationalPopulationandFamilyPlanningCommission.HeusedtobeheadofPopulationandDevelopmentInstituteofNankaiUniversityfrom1993to2004.HehasundertakenmanyimportantresearchprogramsofNationalSocialScienceFoundation,NaturalScienceFoundationandKeyResearchInstitutesofHumanitiesandSocialScienceofMinistryofEducation,aswellasthoseof