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摘要
High-tech industry and commodity trade are the direct embodiment of a country or region's scientific and technological innovation strength. Based on the data from the UN Comtrade, this paper selected four years of 2003, 2008, 2013 and 2018 to build a global high-tech products trade network, analyzed and summarized the development situation, network structure characteristics and development trend of international trade in the high-tech industry. Based on the trade gravity model, technology gap theory and multi-dimensional proximity analysis, this paper used the QAP regression analysis method to study the influencing factors on the trade of high-tech products. The results show that: (1) the global trade volume of high-tech products is increasing, the network scale is expanding, and trade ties are becoming closer and more active. (2) The trade network presents the phenomenon of central polarization, forming the network structure of three reunion cores with China as the center in East and Southeast Asia, the United States as the center in North America and Germany as the center in Europe, showing the coexistence of hub and spoke backbone network and radial regional network . (3)The technological gap and economic gap between the two countries play a positive role in promoting commodity trade, while geographical distance, language difference and institutional difference inhibit commodity trade, but the impact is weakening. The contribution of this paper is to explore the characteristics and evolution trend of global high-tech product trade network, and to explore the influencing factors of commodity trade from the dynamic and relational perspectives, which has certain policy implications for the development of high-tech industry and commodity trade in China. ? 2023 World Regional Studies.
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