本文基于世界投入产出数据，借鉴并拓展Los et al （2015）和Timmer et al （2014）的方法，测度产品内国际分工的程度和要素收入份额，并构建一国在产品内国际分工中的相对地位指数。通过分析中国制造业产品内国际分工的发展趋势，得到结论：整体来看，中国制造业产品内国际分工的程度在不断加深，要素结构在不断优化，中国在分工中的相对地位基本保持不变；分行业来看，中国大部分行业产品内国际分工的程度在增加，其中分工程度最深的是电子制造业且中国在电子制造业产品内国际分工中的相对地位呈现上升趋势。%〔Abstract〕 Based on World Input -Output Database , this paper learns and further expands the method of Los et al (2015 ) and Timmer et al (2014 ) to measure the extent and factor income distribution of international intra -product specialization , and then con-structs relative position index of a country in product value chain . This paper analyzes the trend of international intra-product specialization of Chinese manufacturing , the results show that the extent of international fragmentation is deepening , the factor structure is optimized and the relative position remains the same in value chains of Chinese manufacturing industries as a whole . And the extent of international frag-mentation is increasing in value chains of most of the manufacturing industries , among them electronics sector has the highest extent of frag-mentation and the relative position is on the rise .
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