摘要
[目的]农业现代化离不开农业生产效率的提升,研究农机社会化服务对玉米生产技术效率的作用效果,从而推动农机社会化服务与粮食生产的共同发展。[方法]文章基于2019年对12省区农户调查数据,通过随机前沿模型和倾向得分匹配法(PSM),分析农机社会化服务对玉米生产技术效率的影响效果。[结果]目前整体上我国农户玉米生产技术效率较高,不同农户间技术效率差异较大;农机社会化服务对玉米生产技术效率存在正向影响效应,Rosenbaum边界估计结果与敏感性分析说明变量的选择性偏差控制在合理范围之内,即使无法完全避免遗漏变量,其研究结果依然稳健可信。[结论]农机社会化服务对玉米种植技术效率的影响净效应为11.2%~11.6%。因此在玉米种植中进一步推广农机社会化服务,确实将有助于我国玉米种植的技术效率、提升要素配置水平,有效实现小规模农户和现代农业发展有机衔接,助力我国实现农业现代化与保障粮食安全。
Agricultural modernization is inseparable from the improvement of agricultural production efficiency.This research aims to study the effect of the socialized services of agricultural machinery on the technical efficiencyof corn production,so as to promote the common development of the socialized services of agricultural machineryand food production.Based on the survey data of rural households in 12 provinces in 2019,the effect of thesocialized services of agricultural machinery on the technical efficiency of corn production was analyzed through thestochastic frontier model and the propensity score matching method(PSM).At present,the overall technicalefficiency of corn production for farmers in my country was relatively high.Moreover,the technical efficiency ofdifferent farmers varied greatly.Socialized services of agricultural machinery had a positive effect on the efficiencyof corn production technology.The Rosenbaum boundary estimation results and sensitivity analysis indicated thatthe selective deviation of variables was controlled within a reasonable range.Even if the omitted variables could notbe completely avoided,the research results were still robust and credible.The net effect of the socialized services ofagricultural machinery on the efficiency of corn planting technology is 11.2%-11.6%.Therefore,the furtherpromotion of the socialized services of agricultural machinery in corn planting will indeed help the technicalefficiency of corn planting in my country,improve the level of factor allocation,effectively realize the organicconnection between small-scale farmers and modern agricultural development,and help my country realizeagricultural modernization and ensure food security.
作者
杨思雨
蔡海龙
Yang Siyu;Cai Hailong(College of Economies and Management,China Agricultural University,Beijing 100083,China)
出处
《中国农业资源与区划》
CSSCI
CSCD
北大核心
2021年第4期118-125,共8页
Chinese Journal of Agricultural Resources and Regional Planning
基金
农业农村部软科学委托项目“多种形式农业适度规模经营及其支持政策研究”(D201610)
关键词
农机社会化服务
技术效率
玉米生产
随机前沿函数分析法
倾向得分匹配法
ocialized services of agricultural machinery
technical efficiency
corn production
stochastic frontier function analysis method
propensity score matching method
