Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/54189
Authors: 
Krogmann, Yin
Schwalbe, Ulrich
Year of Publication: 
2011
Series/Report no.: 
FZID discussion papers 38-2011
Abstract: 
This paper analyses a large database on inter-firm R&D cooperation formed in the pharmaceutical biotechnology industry during the period 1985 - 1998. The results indicate that network size largely grows, whereas the density of the network declines during the periods. In the network analysis that emphasizes individual structural positions, the empirical results show that small biotechnological companies had a crucial bridging role for the large pharmaceutical firms in the second half of the 1980s. In the 1990s, the bridge role of biotechnology companies became less important and established pharmaceutical companies developed into dominant start players with many collaborators while holding central roles in the research network. The current analysis also shows that degree-based and betweenness-based network centralization are both low implying that the overall positional advantages are relatively equally distributed in the inter-firm R&D network of the pharmaceutical biotechnology industry.
Subjects: 
R&D networks
pharmaceutical biotechnology
network analysis
conceptual centrality
network visualization software
JEL: 
C88
D85
L24
L65
O32
Persistent Identifier of the first edition: 
Document Type: 
Working Paper

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