中文摘要：

文章在DEA框架下对我国45家沪深上市物流企业的生产效率进行了实证测算,并多维度分析了这些企业生产效率的异质性特征。分析结果表明：不同类型物流公司生产效率的差异性较大,其中港口型物流企业的效率比仓储型物流企业的效率更高;我国物流企业的规模效率已经接近最优,利用纯技术效率促使物流公司生产效率有更大的提升潜力;物流公司生产效率与生产规模之间没有必然的联系,物流企业应进一步改善资源配置效率,选择适应自身条件的最适宜的生产规模进行生产。

英文摘要：

This paper makes an empirical estimation on production efficiency of 45 listed logistics companies in Shanghai and Shenzhen using data envelopment analysis （DEA）, and investigates the heterogeneity characteristics of production effi- ciency from the multi-dimensional perspective. The analytical results show that there exist larg differences in production effi- ciency between different types of logistics enterprises, and port-logistics enterprises have higher production efficiency than that of storage-logistics enterprises. The scale efficiency of China＇ s logistics enterprises is close to the best, but there is a greater potential to improve production efficiency of logistics enterprises by enhancing pure technical efficiency. There is no necessary link between production efficiency and production scale, logistics enterprises should further improve resource allo- cation efficiency and select the most appropriate production scale to adapt to their own conditions.