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为了定量评估中国对外贸易的可持续性,本文基于非竞争型投入产出模型提出了生态效率的评价方法,区分了完全生态效率和直接生态效率。在此基础上实证分析了2002—2006年中国出口部门总体生态效率的变化趋势及其相对于消费和投资的生态效率水平。分别基于直接生态效率和完全生态效率对高效率和低效率的出口产品或服务进行了认定,并对这两种评价结果做了比较。
In order to quantitatively evaluate the sustainability of China’s foreign trade, this paper presents a method for evaluating ecological efficiency based on the non-competitive input-output model, which distinguishes between total ecological efficiency and direct ecological efficiency. On this basis, this paper empirically analyzes the trend of overall eco-efficiency in China’s export sector from 2002 to 2006 and its ecological efficiency relative to consumption and investment. The high efficiency and low efficiency of export products or services were identified based on direct eco-efficiency and total eco-efficiency, respectively, and the results of these two evaluations were compared.