秸秆还田补贴方式对粮食生产率影响分析
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摘要
为探究更为有效的秸秆还田补贴方式,对山东和江苏两省实地调研数据利用规模报酬可变模型下的投入导向型DEA模型对生产率的测算;实证分析不同类型的秸秆还田补贴政策对于农业全要素生产率的影响。结果表明:不论补贴发放给种植户还是农机手,秸秆还田补贴都将通过收入效应、预期效应,显著提高农业全要素生产率。并且秸秆还田补贴发放给种植户可以更大程度提高农业全要素生产率,这可能是由于补贴给种植户将同时提高规模效率和技术效率。因此,我国应大力推广秸秆还田补贴政策,同时以"谁种地,补给谁"即补贴给种植户的方式为主。
In order to explore a more effective method of subsidizing straw returning,the field researched data of Shandong and Jiangsu Provinces use the input-oriented DEA model under the variable scale variable model to measure productivity;then empirically analyzed different types of straw return subsidies.The impact of policies on the total factor productivity of agriculture.The results showed that regardless of whether subsidies were distributed to growers or agricultural operators,straw return subsidies will significantly increase agricultural total factor productivity through income effects and expected effects.And the subsidy of straw returning to the farmers could increase the total factor productivity of agriculture to a greater extent,which may be due to the fact that the subsidies will increase the scale efficiency and technical efficiency of the growers.Therefore,China should vigorously promote the straw returning subsidy policy,and at the same time,the method of"who will plant the land and replenish it"will be subsidized to the growers.
In order to explore a more effective method of subsidizing straw returning,the field researched data of Shandong and Jiangsu Provinces use the input-oriented DEA model under the variable scale variable model to measure productivity;then empirically analyzed different types of straw return subsidies.The impact of policies on the total factor productivity of agriculture.The results showed that regardless of whether subsidies were distributed to growers or agricultural operators,straw return subsidies will significantly increase agricultural total factor productivity through income effects and expected effects.And the subsidy of straw returning to the farmers could increase the total factor productivity of agriculture to a greater extent,which may be due to the fact that the subsidies will increase the scale efficiency and technical efficiency of the growers.Therefore,China should vigorously promote the straw returning subsidy policy,and at the same time,the method of"who will plant the land and replenish it"will be subsidized to the growers.
引文
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[2]Chay K Y,Greenstone M.The impact of air pollution on infant mortality:Evidence from geographic variation in pollution shocks induced by a recession[J].Quarterly Journal of Economics,2003,118(118):1121-1167.
[3]吕开宇,仇焕广,白军飞,等.中国玉米秸秆直接还田的现状与发展[J].中国人口·资源与环境,2013,23(3):171-176.
[4]徐志刚,张骏逸,吕开宇.经营规模、地权期限与跨期农业技术采用---以秸秆直接还田为例[J].中国农村经济,2018(3):61-74.
[5]劳秀荣,孙伟红,王真,等.秸秆还田与化肥配合施用对土壤肥力的影响[J].土壤学报,2003(4):618-623.
[6]Mc Cloud N,Kumbhakar S C.Do subsidies drive productivity?A cross-country analysis of Nordic dairy farms[J].Advances in Econometrics,2008(23):245-274.
[7]王姣,肖海峰.中国粮食直接补贴政策效果评价[J].中国农村经济,2006(12):4-12.
[8]魏君英,何蒲明.粮食直接补贴政策对农民收入影响的实证研究[J].长江大学学报(自科版),2013(29):68-70.
[9]王雯.中国农业全要素生产率的驱动因素分析与对策研究[J].学习与探索,2018(9):126-131.
[10]Baffes J,Meerman J.From prices to incomes:Agricultural subsidization without protection?[J].World Bank Research Observer,1998,13(2):191-211.
[11]朱满德,李辛一,程国强.综合性收入补贴对中国玉米全要素生产率的影响分析---基于省级面板数据的DEA-Tobit两阶段法[J].中国农村经济,2015(11):4-14,53.
[12]江永红,宇振荣,马永良.秸秆还田对农田生态系统及作物生长的影响[J].土壤通报,2001(5):209-213.
[13]孙秀娟,李妍,朱利群.秸秆集中掩埋还田深度对二化螟幼虫越冬存活率和出土规律的影响[J].江苏农业学报,2012(4):743-747.
[14]张丙建.宿州市埇桥区玉米秸秆还田存在的问题及对策[J].现代农业科技,2015(4):260.
[15]魏小丽.河南省农地规模经营与生产效率研究[D].开封:河南大学,2018.
[16]王国刚,刘彦随,陈秧分.中国省域耕地集约利用态势与驱动力分析[J].地理学报,2014,69(7):907-915.
[17]赵佳,姜长云.兼业小农抑或家庭农场---中国农业家庭经营组织变迁的路径选择[J].农业经济问题,2015,36(3):11-18,110.