简介:Thispapercalculatestheland(includingwaterarea)requirementforfoodconsumptioninbothbalancedandactualdietinChinabyecologicalfootprintanalysis.Todeterminewhetherlogicalandactualfooddemandsarewithinnaturalregenerativeability,carryingcapacity(excludingforestryproduction)isalsocalculated.Resultsshowthatactualdietpatternswereecologicallyfriendlyintheperiodof1982-2004inChina,mainlybecauseoftheruralmoderatedietpatterns.Butactualpercapitafootprintalreadyoverranitscorrespondinglogicvalueof0.976hainurbanareasin2002.ProductiveareasforfoodproductioncansatisfythelandrequirementforactualdietpatternsduringtheresearchingperiodinChina,neverthelesscannotsatisfythatforbalanceddietpatternorsolvetheproblemofunbalancedecologicalfootprint.ThecontinualrisingecologicalfootprintoffoodconsumptioninbothruralandurbanareasindicatesthatpercapitafootprintwillkeeponincreasinginChinaandevenmaybemorethanthesuggestedlogicvalueifnorelevantcountermeasuresaremadetoregulatedietpatterns.Strictlyspeaking,Chinaisfacingfoodshortage,bothinqualityandinquantity.
简介:Theanalyticalmethodoftotalresourcereallocationeffectisanevolutionoftheanalyticalmethodofthefactorsofeconomicgrowth.SincethemarketizationreforminChinain1978,marketmechanismhasplayedamoreandmoreimportantroleinresourceallocation,andChineseeconomyhasdevelopedgreatly,whichiscalled'theChineseMiracle'.ThispaperanalyzestheeconomicgrowthinChinafrom1978to2004withtheanalyticalmethodoftotalresourcereallocationeffect.Theresultshowsthattheannualgrowthrateoftotalresourcereallocationeffectwas0.2%,whichwas5.1%ofthecomprehensiveproductivityand0.21%ofthegrossoutputgrowth,i.e.thetotalresourceallocationplayedaweakroleintheeconomicgrowthinChina.WhenanalyzingitinChenery'smultinationalmodel,wefindthatChinesecomprehensiveproductivitygrowthratewashigherthanthatinalltheincomephasesofthemodel,butthetotalresourceallocationeffectwasobviouslylowerthanthatinalltheincomephasesofthemodel.ItindicatesthatthetotalresourceallocationinChinahasagreatpotential,andthattoacceleratemarketizationreformisoneoftheimportantissuesforChineseeconomicdevelopment.