非洲出口的拓扑结构：生成树上的新兴模式
The Topology of African Exports: emerging patterns on spanning trees
摘要：
本文件有助于将以不同方式取得进展的两条研究路线交织在一起：国际贸易网络分析和非洲贸易与发展文献。收集关于非洲国家的经验数据有很大的局限性，非洲国家在分析贸易网络方面所占的空间也有很大的局限性。在这里，这些限制是由两个独立的二分网络的定义：一个目的地共享网络和\\商品共享网络处理。这些网络-连同其相应的最小生成树-能够揭示在更广泛的国际贸易背景下非洲出口中出现的某种排序。正如最近关于非洲贸易、发展和增长的文献所表明的那样，新出现的模式有助于了解非洲出口的重要特点及其与其他经济、地理和组织问题的联系。
英文摘要：
This paper is a contribution to interweaving two lines of research that have progressed in separate ways: network analyses of international trade and the literature on African trade and development. Gathering empirical data on African countries has important limitations and so does the space occupied by African countries in the analyses of trade networks. Here, these limitations are dealt with by the definition of two independent bipartite networks: a destination share network and\ a\ commodity share network. These networks - together with their corresponding minimal spanning trees - allow to uncover some ordering emerging from African exports in the broader context of international trade. The emerging patterns help to understand important characteristics of African exports and its binding relations to other economic, geographic and organizational concerns as the recent literature on African trade, development and growth has shown.
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