学科分类
/ 1
16 个结果
  • 简介:PopulationAgingandControlofPopulationGrowthTuPingRapidpopulationagingWithabigdropinfertilityafterthe1970s,theproportionofchil...

  • 标签:
  • 简介:oreEfortstoControlPolutionoftheHuaiheRiverTheGovernmentofAnhuiProvincehastakenmoreefectivemeasurestocontrolpolutionoftheHuaih...

  • 标签: CONTROL
  • 简介:DevelopingawidelyadaptableAIDSvaccineisthegoalofscientistswhofightagainstglobalproliferationofthedeadlydisease.NoW,somearefocusingtheirstudyonChina,believingthatthecountrymaybetheperfectpartnerforacollaborationinvaccineresearch.AninternationalAIDSvac...

  • 标签:
  • 简介:China'smalemarriagesqueezeanditspotentialconsequencehaveattractedmuchattentionandgivenrisetodebate,butmoststudiescontributethissqueezetosexstructureandneglecttheagestructure,andsomestudiesuseflawedmethodtostudythecontributionofagestructureinthissqueeze.InthispaperwedevelopanindicatorofSpousalSexRatio(SSR)andapplyadecompositionmethodintoageandsexstructure.BasedonthedatafromChina's2010censusandprojection,wepredictthatfrom2010to2020,theagestructurewillbethedominantfactorforChina'smalemarriagesqueeze,andfrom2020to2034,thecontributionofsexstructurewillbeincreasing,whereasthatofagestructurewillbedecreasing.From2034to2045,China'smalemarriagesqueezewillmainlyfromimbalancedsexstructure,andtheagestructurewillcontributelittleornegativelytoChina'smalemarriagesqueeze.

  • 标签: 挤压 中国 婚姻 年龄结构 性别结构 分解方法
  • 简介:TakingBeijingasanexampleandbasedonthecensusdata,macro-levelpopulationstatisticaldataand2004~2013marriageregistrationdata,thispapermakesacontrastiveanalysisonthecharacteristicsandchangingtrendsoflocalresidents,migrantsandtemporarymigrants.Relativetothelocalresidents,themigrantsgenerallyhavehouseholdregistryofcentraldistrictsandhighereducationallevelandoccupationallayer.Temporarymigrantshaverelativelycomplicatedpopulationstructurebutdifferentiateduringtheprocessofmarriagematching.'Two-placemarriages'formastablegroupofnewpermanentmigrantsandmeanwhileimplyasizablegroupoflatentdependentmigrants.Thiswillproducegreatinfluencesonthegeneralpopulationstructureandtheagingprocess,whichmayalsoleadtosomeconflictsandproblems.Thegovernmentshouldbepreparedwithpolicyresponsessoastopromotethebenigndevelopmentofpopulationdiversificationinmegalopolis.

  • 标签: 人口结构 北京市 城市群 案例 特征 普查数据
  • 简介:Since1980s,theSRBhasbeenlonglastinghighinChina,despitea6-yearcontinualdropfrom2008.Moreover,highSRBisdeterioratingwiththebroadeningingeographicdistribution,expansioninthecumulativedifferencebetweenbothsexesandtheincreasingdifficultiesinthecombatagainsfillegalfetalsexidentificationandsex-selectiveabortion'.Giventhesechallengingfacts,theCentralGovernmenthasbeenguidingallprovincestocarryoutcomprehensivecontrolandimplementprogramsledbypartyandgovernmentleaders,suchasadvancedgendercultureconstructionprogram,ladypriorityandpreferentialprogram,medicalandhealthmarketpurificationprogram,appraisal&assessmentsystemconstructionprogram,andfull-coursematernalserviceprogram,whichhavewellcontributedtothecomprehensivecontrolofhighSRB.Still,thesepracticesarefacedwithsuchproblemsascomprehensivecontrolinitiativesremaininginthetransitionstagefromactionleveltoinstitutionallevelandstatisticaldatabeinginadequatetoassesstheobjectivesituations.ExperienceshowsthatthecomprehensivecontrolofhighSRBrequiresthedevelopmentofasophisticatedinstitutionalmechanismseekingbothtemporaryandpermanentsolutionsandthecardinalrulesofrulingbylaw,resolvingthecurrentproblemsandeliminatingtherootcauses,andcarryingoutscientificandprognosticcontrol.Byputtingintoimplementationtheorganizationalleadership,appraisal&assessmentandfamilyservices,wewouldbeabletoputhighSRBundercontrol.

  • 标签: 综合控制 性别比例 中国 中央政府 地理分布 性别选择
  • 简介:Thepopulationcarryingcapacityofrestricteddistrict,keydevelopmentdistrict,optimizeddistrictappeargradientdecrease.Whiledifferentiationofsatisfactionregardingpopulationcapacityappearsinoptimizingdistrict,keydevelopmentdistrictsorrestricteddistricts,theunbalanceddistributionofpopulationbetweendistrictsorwithindistrictsemerges.Usingmulti-prongedmeasurestoreasonablycontrolpopulationsizeandguidethemovementofpopulationtothesuburbs,thisisarealisticpolicydirectionforBeijing,ShanghaiGuangzhouandShenzhenFirst-tiercities.Otheroptimizingdistrictsandkeydevelopmentdistrictsshouldraisetheirpopulationcarryingcapacity'sshortboard.RestricteddistrictshouldincreasetheirfinancialinputandimprovetheirImprovetheirlevelofpublicservice.

  • 标签: 人口承载力 功能区 人口承载能力 梯度下降 人口容量 人口分布
  • 简介:AccordingtothedataoftheChineseLongitudinalHealthyLongevitySurvey(CLHLS)andapplyingmethodsofSullivanandmultistatelifetable,thispaperexaminesthetimeexpectancyofcarefordailylivingofChineseelderlyanditsproportionintheirelderlylife.Theresultsfindthatthereexistsasignificantgendergapoftheexpectancy,whichthemaleat65averagelyareexpectedtohavefourtofivecareyearswhilethefemaleat65averagelyareexpectedtohaveseventoeightcareyears.Thetimeexpectancyforslightcareofdailylivingislongerthanthatforsevercare.Additionally,thereisnosignificantdifferencebetweenurbanelderlyandruralelderly.However,asageincreases,thetimeexpectancyforslightcaregoesdownwhilethatforsevercarestabilitiesataconstantatdifferentages.Thetimeexpectancyfordifferenttypesofcareanditsproportionintherestoflifearesignificantlyvarious.Thestudypointsoutthattheestablishmentandimprovementofcareinsurancesystemandtheelderlycareserviceareverynecessary.

  • 标签: 老年人 时间比 生活 中国 调查数据 健康长寿
  • 简介:Censusdataof2000indicatedthattheChinesepopulationaged65andoverhadaccountedfor7%ofthetotalpopulation.Inurbanareas,inparticular,thatratiowas6.30%andinruralareas,itwas7.35%.Onaverage,Chinahadenteredanagingsociety.Inrecentyears,old-agesupportinruralChinahascaughttheattentionofgovernmentofficialsandscholarsalike.Thisisbecauseruralhouseholdshaveundergonedrastictransformationinsizeandstructureasaresultoftheenforcementofthefamilyplanningpolicy.Coupledwiththeurbanizationprocessandmassivemigrationofrurallaborersintocities,theagingprocessinruralChinahasaccelerated,challengingthetraditionalpatternofold-agesupportinruralChina.

  • 标签: 中国 老年化 农村养老问题 农村居民 社会保障体系 教育水平
  • 简介:Basedoneconomicconvergencemodelanditsderivatives,thispaperexaminestherelationshipbetweenpopultionmobilityandeconomicgrowthinChongqinganditsfivefunctionalareasbyusing2000~2013paneldata.Theresultsshowthatthereexistsinteractiverelationshipbetweenpopulationmobilityandeconomicgrowth,andthisinteractionisrenderedasmutualinhibition.Therestrainfromeconomicgrowthtopopulationmobilityshowssmallereffectthanthereverse.Inthesparselypopulatedareas,economicgrowthispromotedbypopulationmobility,andinthedenselypopulatedareas,economicgrowthisdrivenbyinvestment.Therefore,governmenthastoregulatepopulationmobilitytoachievesustainableeconomicgrowth.

  • 标签: 经济增长 人口流动 重庆 证据 相互作用 收敛模型
  • 简介:AccordingtoChinaNewsNet,alarge-scalebirthcohortstudy,inlinewithinternationalnorms,willbestartedinthesecondhalfthisyearinShanghai,andinfullexpandsnextsummer.ItisreportedthattheprojectwillbeledbyProfessorZhangJun,directorofDepartmentofEnvironmentandChildren'sHealthofShanghaiXinhuaHospitalandShanghaiKeyLaboratory.

  • 标签: 队列研究 中国 人口学 统计