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基于社会网络分析法的国际贸易网络结构及演化研究
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摘要
研究在经济全球一体化进程中世界贸易格局的演化对我国制定对外贸易政策和新时期的外贸发展战略,以抓住经济全球化带来的机遇来提升我国的国际市场地位和保障我国外贸稳定增长的态势具有重大意义。本文利用联合国商品贸易统计数据构建国际贸易网络,并采用社会网络分析方法研究2000—2010年国际贸易网络的演化。分析发现,十余年来国际贸易网络的核心国家几乎没有增加。另外,通过将介数和强度作为变量的聚类分析发现:少数国家这十年间的国际贸易地位有明显提升;国家在贸易网络的核心性具有清晰及较为稳定的层次性。
To seize the opportunities brought by the economic globalization and guarantee steady growth of trade in China,the evolution of world trade pattern is analyzed.International trade network(ITN) from2000 to 2010 is established based on the data from UN Commodity Trade Statistic Database.Furthermore,social network analysis is combined with cluster analysis to analyze ITN deeply.The research reveals that the core countries of ITN barely increased in this decade.Moreover,the cluster analysis displays that the positions of a few countries have improved significantly.Additionally,the core countries in ITN have clear and stable hierarchy.
引文
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