简介：ThisstudyismotivatedbytheinterestingrelationshipbetweentheincomeKuznetscurveandthecarbonKuznetscurve.ThispaperfocusesontheinteractioneffectsofincomedistributionandincomepercapitaonCO2emissionsusingcountrygrouppaneldataovertheperiodof1980to2006byemployingfixedeffects（FE）,randomeffects（RE）andfeasiblegeneralizedleastsquares（FGLS）estimationmethods.Themainfindingsareasfollows.（1）Thereexistsaninverted-UrelationshipbetweenCO2emissionspercapitaandincomepercapitainallsamplecountriesandhigh-incomegroups.（2）Thecross-countryincomedisparityhasanegativeeffectontheaveragelevelofCO2emissionsbutapositiveeffectontheaggregateincomeelasticityofCO2emissions.（3）ThisnegativeeffectofincomedisparityontheaveragelevelofCO2emissionsdecreasesalongwiththegrowthofpercapitaincome.Thus,economicgrowthcontributestothereductionofthisnegativeimpact.

简介：Withtherapidchangesofdemographicandsocio-economicstructure,variousecologicalandenvironmentalproblemshaveemergedinperi-urbanareas.Studiesonthecorrelationbetweensocio-economicdevelopmentandeco-environmentalpreservationareinadequate.Thispaperanalyzesthelandscapepatternofperi-urbanareastoaddressthisissue.First,itstudiesthedifferentiationofeconomicdevelopmentlevelsinBeijingperi-urbanareas.Then,itexploresthecorrelationbetweeneconomicdevelopmentlevelofeachtownanditslandscapepatternusingPearsonCorrelationandgradedifferenceindices.Furthermore,itsummarizestheproblemswithincurrentlandscapepattern.Threeconclusionsaredrawnfromtheanalysis:(1)onthewhole,theeconomicde-velopmentlevelinBeijingperi-urbanareasbasicallymatcheswithlandscapepattern;(2)landscapecontagiondegreedecreaseswiththegrowthofeconomicdevelopmentlevelinasmuchas30%ofBeijingperi-urbanareas.Thisisanirrationalphenomenonaccord-ingtoourjudgment;(3)landscapefragmentationgradesinmorethanhalfofthetownsarehigherthantheireconomicdevelopmentgrades,suggestingthatattentionshouldbepaidtoexcessivefragmentationoflanduse.

简介：Studyingtheprocessandcharacteristicsofurbanlandchangeindifferentphasesofurbanizationanddifferenteconomicdevelopmentismuchimportantforunderstandingurbanlandchangeandmanagementatamacrolevel.TakingtheexampleofJiangsuProvince,thepresentpaperstudiedthecorrelationbetweenurbanlandchangeprocessandsocioeconomicdevelopmentfrom1981to2003onthebasisofstatisticaldata.Theresultsshowedthefollowingthreeaspects.First,urbanlandareahaschangedperiodicallyandtheresearchdurationcanbedividedintotwoperiods:from1981to1994andfrom1995to2003.Ineachperiod,thechangingtrendisthesame,i.e.slowatfirstandthenquick.Studyingfromthecomprehensivechangestatus,thecharacteristicoffluctuantchangeissignificantwiththreeacutechangepinnaclesin1988,1991and2002whichwerecorrespondedtoturningpointyearsofeconomicdevelopmentphasesofJiangsuProvincerespectively.Second,thesynchronizationbetweenurbanlandchangeandurbanizationlevelchangeisnotstrict.Withtheevolutionofurbanizationphases,thechangepaceofurbanizationlevelincreasedremarkably,buturbanlandchangeratedidnotincreasesignificantlyaccordingly.Third,theareaofurbanlandhasexponentiallyincreasedwiththeincreaseofpercapitaGDP.IndifferenteconomicdevelopmentlevelsclassifiedbypercapitalGDP,landresourcecostforeconomicdevelopmentisdifferent,respectively29.01hm2,26.34hm2,26.22hm2,and11.14hm2fortheincreaseof100millionRMBGDPwhenthepercapitaGDPisunder1000,1000–2000,2000–5000andover5000RMB.

简介：Thispaperstudiesfactorsinfluencingrural-urbanlabormigrationinChina,particularlytheimplementationofruralcooperativemedicalinsurance(RCMI)intheyear2003.Withthesupportofdataanalysisfromtheyear2000,2004and2006,clearlinearcorrelationsarefoundbetweengender,income,healthconditionandrural-urbanlaborflow,whereastheimpactofeducationandemploymentstatusaremorecomplicated.Moreimportantly,resultsfromregressionshowthattheestablishmentofRCMIincountrysideofChinanotonlyinhibitsruralresidentsfromseekingemploymentoutsidethevillage,butalsopullsbackruralpeoplewhohavealreadyworkedincities.Whenregionaldimensionisconcerned,thepurecompositeeffectofRCMIonrurallaborflowislesssignificantincoastalareaswithbettereconomicperformanceandmedicalservice.