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采用社会网络分析方法,利用2005—2014年世界120个国家(地区)原木进出口贸易数据,对国际原木贸易网络的网络密度、中心性及核心节点等指标进行计算,对国际原木贸易网络核心—边缘结构进行分析。研究结果表明:国际原木贸易的发展受到世界经济形势和政府原木进出口政策的显著影响;大部分国家(地区)原木贸易伙伴少、贸易量小,只有少数贸易伙伴较多、贸易量大;美国一直是原木进出口贸易的核心国家,德国是后加入的核心国家,属于金砖国家的中国、印度发展迅速,中国在2011年跻身核心国家行列。
Using the social network analysis method, using the logs of 120 countries and regions in the world from 2005 to 2014 to calculate the network density, centrality and core nodes of international log trade network, Edge structure for analysis. The results show that the development of the international log trade is significantly affected by the world economic situation and the import and export policies of the government logs. Loggers in most countries (regions) have few log trading partners and trade is small with only a few trading partners and a large trade volume. The United States It has always been the core country for the import and export of logs. Germany is the core country after the accession and belongs to the BRICS countries. India is developing rapidly. China ranked among the core countries in 2011.