基于Battese&Coelli(995)模型的糧食生產(chǎn)技術(shù)效率模型構(gòu)建及其投入產(chǎn)出影響分析

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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
為了破解日益嚴(yán)重的資源、環(huán)境、生態(tài)問題和經(jīng)濟(jì)社會(huì)發(fā)展困境,黨的十八大將生態(tài)文明建設(shè)提升到戰(zhàn)略層面,納入社會(huì)主義現(xiàn)代化建設(shè)總體布局,突出全面促進(jìn)資源節(jié)約,加強(qiáng)水源地保護(hù)和用水總量管理,推進(jìn)水循環(huán)利用,建設(shè)節(jié)水型社會(huì)。(剩余8926字)