基于Battese&Coelli(995)模型的粮食生产技术效率模型构建及其投入产出影响分析

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开放科学（资源服务）标识码（OSID）：

Construction of aTechnical EficiencyModelforGrainProductionand Analysis of Input-output Impacts Basedonthe Batese& Coelli（1995）Model

CAI Chang- ju1 LIYum2 ，ZHENG Jiang et al（1. Guizhou Province Water Conservancy Science Research Institute，Guiyang，Guizhou 550002;.GuizouProvicialWateronservancyrojectConstructionQualityadafetyCenterGuiyag，Guzouoo;3.Pearlier Water Resources Research Institue，Guangzhou，Guangdong 510000）

AbstractObectie]Underthalcotextofoloicalcivlatioonstrucioandstrctwaterresocemanagent，tisudito revealthedriingmehanssofgaiproductoechalecyinGuzoProvquatfthimpactofgationwateroduco eficiency，andprovidesientificfoundationsforoptimizingagriculturalwaterresourcealocation.Method]Basedontheatese & Coelli （1995）model，translgstochasticfrotierproductionfuctioasonstructedPaneldatafroGuzouProvince（-Ol8）eat ed，incorportiutaosshcalowalerls，odterdele screnedusingLikeodRatiLR）tests.Techcaliencwasmeasuredudertwenrioswit/witoutigationwater）dco influencingefcencylossereanald.Result]TeaveragetechicalfncyofgainproductioinGuizourangedbetwnO.02 and O.851 6.Irrigation water improved efficiency by 1.4% ，butexcessive irrigation led to a negative coefficient（-O.O40 5）.Technical inefficiencydomiaedl.Keysddgatiesihbohatiatidroos tivecoelatiosiertlitdgcuraloutputsaeRegioalsparitssicatiageide est mechanization level，while Bijie had the lowest. Irrigation coverage reached 47. 2% in Qiandongnan but only 16. 08% in Bijie. Extreme weather events（e.g.，the Southwest China drought） caused an 8. 3% efficiency decline after 2O11.[Conclusion] Guizhou should enhance watersavingidudcdt， sownareaptiiohaioupgadsndopucureadustsaecommeddtovecoesoceostratsd sustainable grain production growth.

KeywordsEconomerics;Effectiveutilzationcoeffcintoffrmlandirigationwater;Stochasticfrontierproductionfunction

为了破解日益严重的资源、环境、生态问题和经济社会发展困境，党的十八大将生态文明建设提升到战略层面，纳入社会主义现代化建设总体布局，突出全面促进资源节约，加强水源地保护和用水总量管理，推进水循环利用，建设节水型社会。（剩余8926字）