不同灌溉方式下种粮大户技术效率及其差异研究——基于非参数共同前沿方法?
朱丽娟
不同灌溉方式下种粮大户技术效率及其差异研究——基于非参数共同前沿方法?
A Study on Technical Efficiency and Differences of Large Grain Growers Under Different Irrigation method -Based on Nonparametric Meta-frontier Model
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