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出 处:《中国渔业经济》2012年第6期91-97,共7页Chinese Fisheries Economics
摘 要:本文利用农业类上市公司证券2007~2010年的相关数据,采用DEA包络分析Malmquist指数方法计算了农业类上市公司的全要素生产率及其分解项目的指数,并对公司的全要素生产率、技术效率、规模效率和规模效益等进行了分析。结果表明,农业类细分行业的发展极不均衡,有的细分行业如渔业、种植业全要素生产率增长较快,而林业以及畜牧业生产率增长较为缓慢,即便是同一细分行业,上市公司的发展也是不均衡的。微观上看,农业上市公司应该不断进行规模扩张;宏观上看,政府应重视对农业上市公司支持与保护。This paper, with the agricultural companies securities' related data of 2007-2010 years, use the Malmquist DEA envelope analysis index method to calculate the total factor productivity and its decomposition project index of the agricultural listed companies. Then the companies' total factor productivity, technical efficiency, scale efficiency and scale benefit are analyzed. The results show that agricultural class subdivision industry development is not balanced: the total factor productivity of some segmentation industries such as fishing, planting are growing fast, while forestry and animal husbandry productivity grow slowly. Even in the same segmentation industry, the listed company's development is not balanced. From the micro level, agricultural listed companies should expand its scale constantly; looking from macroscopic, the government should pay more attention to supporting and protecting agricultural listed companies.
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