Import Network Pattern, Innovation Input and Output of European Union: A Research Based on Social Network
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Ruitian Wang, Yan Wu
Technology spillover through international trade is an important form of technology spillover. Using trade data of UNCOMTRADE to establish international trade relations between the EU member states in 2009-2015, this paper calculates the centrality and structural hole index of the import trade network of the EU member states using UCINET6.0 as a tool, in the social network analysis method. On this basis, the panel data model is constructed, and the moderating effects of centrality and structural holes on innovation output are taken into account. The results show that the centrality and structural holes of the import trade network of the EU members do not directly affect the innovation output, but play a positive moderating role in the function of innovation input on the innovation output.
Import Trade Network, Innovation Input, Innovation Output.