Vitali Stefania, Battiston Stefano
Department of Banking and Finance, University of Zurich, Zurich, Switzerland; Dipartimento di Scienze Economiche e Sociali, Università Politecnica delle Marche, Ancona, Italy.
Department of Banking and Finance, University of Zurich, Zurich, Switzerland.
PLoS One. 2014 Aug 15;9(8):e104655. doi: 10.1371/journal.pone.0104655. eCollection 2014.
We investigate the community structure of the global ownership network of transnational corporations. We find a pronounced organization in communities that cannot be explained by randomness. Despite the global character of this network, communities reflect first of all the geographical location of firms, while the industrial sector plays only a marginal role. We also analyze the meta-network in which the nodes are the communities and the links are obtained by aggregating the links among firms belonging to pairs of communities. We analyze the network centrality of the top 50 communities and we provide a quantitative assessment of the financial sector role in connecting the global economy.
我们研究了跨国公司全球所有权网络的社区结构。我们发现社区中存在一种明显的组织形式，这种形式无法用随机性来解释。尽管该网络具有全球性质，但社区首先反映的是公司的地理位置，而工业部门仅起次要作用。我们还分析了元网络，其中节点是社区，链接是通过汇总属于成对社区的公司之间的链接而获得的。我们分析了前50个社区的网络中心性，并对金融部门在连接全球经济中的作用进行了定量评估。
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