Based on a set of World Input-Output Tables (WIOT) in 1995 and 2008,this paper empirically measures the value added and the carbon emission embodied in the exports of electronic information goods of China and the United Stated.It is found that in the past decades,developed countries such as the United States relocated the production of "low value added and high carbon emission" raw materials into developing countries such as China,whereas reserved the production of "high value added and low carbon emission" highend electronic components in their own countries.Through the relocations,developed countries take most of the value added in international trade of electronic goods while developing countries are responsible for most of the corresponding carbon emissions.From the aspect of global value chain,China may still remain at the low level of global value chain for electronic goods by involving the labor-intensive activities,although its scale and output has already reached the top of the world.So China still needs to take effective measures to speed up the adjustment of production structure and promote the optimization and upgrading of electronic information industry.%基于世界投入产出数据表World Input-Output Database (WIOD),本文从全球价值链的视角,测算对比了各主要经济体从中、美两国电子信息产业出口中获取的实际经济利益和为此承担的隐含碳排放.测算结果表明,在过去十余年间,美国等发达国家逐渐将低附加值、高污染的原材料生产转移至中国等发展中国家,而将高附加值、低污染的高端元器件生产留在本国内部,在从电子信息产业全球贸易中获得绝大部分经济利益的同时,将大量污染留给了中国.从全球价值链角度来看,虽然我国电子信息产业的规模、产值已经达到世界领先水平,但我国只是较多的参与了全球电子信息产业劳动密集型的环节而已,在全球价值链上的分工地位并不高,仍需加大研发投入,全面提升产业竞争力,争取逐步向高附加值、低污染的全球价值链高端跃升.
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