长三角出口贸易的技术效率及其区域差异研究——基于随机前沿分析(SFA)技术的实证研究
장삼각출구무역적기술효솔급기구역차이연구——기우수궤전연분석(SFA)기술적실증연구
Technical Efficiency and Its Regional Difference of Export Trade in Yangtze River Delta based on SFA Model
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