广西蚕桑产业生产效率及影响因素研究——基于超效率SBM-Tobit模型
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摘要
运用超效率SBM-DEA模型对2008—2017年广西12个地市蚕桑产业生产效率进行测算,在此基础上运用面板Tobit模型对广西蚕业生产效率的影响因素进行初步探究。结果表明,广西蚕桑产业生产效率的整体水平偏低;财政支农、蚕茧收购价格、蚕农协会农户数、桑园规模对蚕桑产业生产效率具有正向相关性,养蚕收入和农村居民纯收入对蚕桑产业生产效率具有负向相关性。建议推行技术导向和规模导向型的政策,稳定蚕茧收购价格,制定蚕种投入量与桑叶产量技术标准,推行蚕桑业种养分离模式,优化财政支农支出结构。
Estimation was made on the production efficiency of sericulture in 12 cities in Guangxi from 2008 to 2017 with super-efficient SBM-DEA model,and preliminary study was conducted on the influencing factors on production efficiency of sericulture in Guangxi with panel Tobit model on this basis. The results show that the overall production efficiency of sericulture industry in Guangxi is low; financial support for agriculture,purchase price of silkworm cocoon,number of peasant households in silkworm farmers association and scale of mulberry plantation have positive correlation with production efficiency of sericulture industry,while income from silkworm rearing and net income of rural residents have negative correlation with production efficiency of sericulture industry. It is suggested to carry out technology-oriented and scale-oriented policies,stabilize the purchase price of silkworm cocoons,formulate technical standards for the input amount of silkworm seeds and the yield of mulberry leaves,implement the separation mode of silkworm and mulberry breeding,and optimize the structure of financial support for agriculture.
Estimation was made on the production efficiency of sericulture in 12 cities in Guangxi from 2008 to 2017 with super-efficient SBM-DEA model,and preliminary study was conducted on the influencing factors on production efficiency of sericulture in Guangxi with panel Tobit model on this basis. The results show that the overall production efficiency of sericulture industry in Guangxi is low; financial support for agriculture,purchase price of silkworm cocoon,number of peasant households in silkworm farmers association and scale of mulberry plantation have positive correlation with production efficiency of sericulture industry,while income from silkworm rearing and net income of rural residents have negative correlation with production efficiency of sericulture industry. It is suggested to carry out technology-oriented and scale-oriented policies,stabilize the purchase price of silkworm cocoons,formulate technical standards for the input amount of silkworm seeds and the yield of mulberry leaves,implement the separation mode of silkworm and mulberry breeding,and optimize the structure of financial support for agriculture.
引文
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[18]王宝义,张卫国.中国农业生态效率的省际差异和影响因素:基于1996-2015年31个省份的面板数据分析[J].中国农村经济,2018(1):46-62.WANG Baoyi,ZHANG Weiguo.Cross-provincial differences in determinants of agricultural eco-efficiency in China:an analysis based on panel data from 31 provinces in 1996-2015[J].Chinese Rural Economy,2018(1):46-62.
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[2]蓝广芊,吴大洋.中国蚕茧生产效率的实证分析[J].中国农村经济,2009(9):56-62.LAN Guangqian,WU Dayang.Empirical analysis on the production efficiency of silkworm cocoons in China[J].Chinese Rural Economy,2009(9):56-62.
[3]宋长鸣,胡兴明.桑蚕茧技术进步率的测定与分析[J].丝绸,2009(12):19-21.SONG Changming,HU Xingming.Measurement and analysis on contribution rate of cocoon technical progress[J].Journa of Silk,2009(12):19-21.
[4]罗丽,谭砚文.“东桑西移”对蚕茧全要素生产效率影响分析:基于Malmquist指数方法[J].丝绸,2011,48(1):56-60.LUO Li,TAN Yanwen.On the effects of sericulture shif from east to west upon the TFP of China’s silk-worm:based on Malmquist productivity index method[J].Journal of Silk,2011,48(1):56-60.
[5]李建琴,张琦,顾国达.我国蚕桑生产函数的构建与计量分析[J].蚕业科学,2011,37(4):719-724.LI Jianqin,ZHANG Qi,GU Guoda.Construction and quantitative analysis on the production function of sericulture in China[J].Science of Sericulture,2011,37(4):719-724.
[6]邱萍萍.我国蚕桑生产组织模式与农户生产效率研究[D].杭州:浙江大学,2013.QIU Pingping.Research on the Production or Ganization Model and Production Efficiency of Sericulture in China[D].Hangzhou:Zhejiang University,2013.
[7]赵明,陈清.中国桑蚕茧生产效率评价及影响因素分析:基于超效率DEA和Tobit模型[J].江苏农业科学,2018,46(4):293-297.ZHAO Ming,CHEN Qing.Production efficiency evaluation and influencing factor analysis of mulberry cocoon in China:based on super-efficient DEA and Tobit model[J].Jiangsu Agricultural Sciences,2018,46(4):293-297.
[8]CHARNES A,COOPER W W,RHODES E.Measuring the efficiency of decision-making units[J].European Journal of Operational Research,1978(2):429-444.
[9]陈超,李纪生.基于SBM模型的中国水稻生产效率分析[J].农业技术经济,2008(4):71-78.CHEN Chao,LI Jisheng.Analysis of rice production efficiency in China based on SBM model[J].Journal of Agrotechnical Economics,2008(4):71-78.
[10]TONE K.A slacks-based measure of super efficiency in data Envelopment analysis[J].European Journal of Operational Research,2002,143(1):32-41.
[11]ANDERSEN P,PETERSEN N C.A procedure for ranking efficient units in data envelopment analysis[J].Management Science,1993,39(10):1261-1264.
[12]赵姜,孟鹤,龚晶.京津冀地区农业全要素用水效率及影响因素分析[J].中国农业大学学报,2017,22(3):76-84.ZHAO Jiang,MENG He,GONG Jing.Measurement of total factor agricultural water efficiency and analysis of influential factors in Jing-Jin-Ji area[J].Journal of China Agricultural University,2017,22(3):76-84.
[13]蒲娟,余国新,顾景枝,等.新疆农业保险效率的实证研究:基于SE-SBM-DEA和Tobit模型的分析[J].中国农业资源与区划,2017,38(8):176-182.PAN Juan,YU Guoxin,GU Jingzhi,et al.Empirical study on agricultural insurance efficiency in Xinjiang:based on SE-SBM-DEA and Tobit model[J].Chinese Journal of Agricultural Resources and Regional Planning,2017,38(8):176-182.
[14]龙亮军,王霞,郭兵.基于改进DEA模型的城市生态福利绩效评价研究:以我国35个大中城市为例[J].自然资源学报,2017,32(4):595-605.LONG Liangjun,WANG Xia,GUO Bing.Evaluation of urban ecological well-being performance based on revised DEA model:a case study of 35 major cities in China[J].Journal of Natural Resources,2017,32(4):595-605.
[15]丁绪辉,贺菊花,王柳元.考虑非合意产出的省际水资源利用效率及驱动因素研究:基于SE-SBM与Tobit模型的考察[J].中国人口·资源与环境,2018,28(1):157-164.DING Xuhui,HE Juhua,WANG Liuyuan.Inter-provincial water resources utilization efficiency and its driving factors considering undesirable outputs:based on SE-SBM and Tobit model[J].China Population,Resources and Environment,2018,28(1):157-164.
[16]陆泉志,陆桂军,范稚莲,等.广西农业水资源利用效率及其影响因素研究:基于Global超效率DEA与Tobit模型[J].节水灌溉,2018(8):54-58,65.LU Quanzhi,LU Guijun,FAN Zhilian,et al.A study on utilization efficiency of agricultural water resources and its influential factors in Guangxi:based on Global superefficiency DEA and Tobit model[J].Water Saving Irrigation,2018(8):54-58,65.
[17]李丹,曾光,陈城.中国柑橘全要素生产率演进及影响因素研究:基于Malmquist-Tobit模型的实证[J].四川农业大学学报,2018,36(1):118-124.LI Dan,ZENG Guang,CHEN Cheng.Measuring the total factor productivity of citus in China and studying its influence factors:the empirical analysis based on the Malmquist-Tobit method[J].Journal of Sichuan Agricultural University,2008,36(1):118-124.
[18]王宝义,张卫国.中国农业生态效率的省际差异和影响因素:基于1996-2015年31个省份的面板数据分析[J].中国农村经济,2018(1):46-62.WANG Baoyi,ZHANG Weiguo.Cross-provincial differences in determinants of agricultural eco-efficiency in China:an analysis based on panel data from 31 provinces in 1996-2015[J].Chinese Rural Economy,2018(1):46-62.
[19]余玉敏,陈万旭,朱丽君,等.河南省农业生产效率测度及影响因素[J].水土保持研究,2018,25(5):262-268.YU Yomin,CHEN Wanxu,ZHU Lijun,et al.Study on the measurement and influencing factors of agricultural production efficiency in Henan province[J].Research of Soil and Water Conservation,2008,25(5):262-268.
[20]王刚毅,刘杰.东北地区农业生产效率测度及影响因素[J].北方园艺,2018(15):192-202.WANG Gangyi,LIU Jie.Measurement of agricultural production efficiency and its influencing factors in northeast China[J].Northern Horticulture,2018(15):192-202.