Low-carbon technology innovation responding to climate change from the perspective of spatial spillover effects

(整期优先)网络出版时间:2018-02-12
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China’stechnologicaleffortstotackleclimatechangehavelastedformanyyears.Itisnecessarytotesttheeffectoftheseeffortswithquantitativemethod.Tobeexact,whetherandhowChina’slow-carbontechnologyinnovationrespondstoclimatechangeshouldbetested.Basedonthe2004-2015paneldataof30provincesinChina,weusethemethodofESDAanalyzingthespatialcorrelationofChina’slow-carboninnovationtechnology.Furthermore,weusethespatialDurbinmodelempiricallyanalyzingthespatialspillovereffects.Theresultsobtainedareasfollows:first,supplyanddemandofChineselow-carboninnovationhassomedeviationinthespatialdistribution.Thelow-carbontechnologyinnovationasthesupplyfactorshowsthecharacteristicsofexpandingfromtheeasttothewest.InnovationineasternChinahasalwaysbeenthemostactive,butinnovativeactivitiesinthemiddleandwesternChinaaregraduallydecreased.However,carbonemissionshavethecharacteristicsofmovingwestward,implyingthechangeoftechnologydemanddifferentfromtechnologysupply.Second,China’slow-carboninnovationactivelyrespondstothetrendofclimatechange,indicatingChina’stechnologicaleffortshavepaidoff.However,thespatialspillovereffectsarenotsignificant,showingthattheeffortsineachregionofChinastillworkforhimself.Third,environmentalregulationandmarketpullareimportantfactorsforlow-carbontechnologyinnovation.Amongthem,bothsupportingpolicyandinhibitorypolicyhavesignificantimpactonthelocallow-carbontechnologyinnovation,butnosignificantspatialspillovereffects.Itshowsthatenvironmentalpoliciesindifferentregionsarecompetitiveandlackofdemonstrationeffects.Economicgrowthandexportasmarketpullhavehigherlevelofeffectonlow-carbontechnologyinnovationforbothlocalandadjacentareas.Somepolicyimplicationsareproposedbasedontheseresultsfinally.