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and patent productivity of the respective regional innovation systems (RIS). The empirical analysis is for nine German …
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network may influence knowledge persistence over time. In a final step, we assess how persistent knowledge as well as the … knowledge of new inventors effect the performance of regional innovation systems (RIS). The results suggest that the knowledge …
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structure of a network may influence knowledge persistence over time. In a final step, we assessed how persistent knowledge as … well as the knowledge of new inventors affect the performance of regional innovation systems (RIS). The results suggest …
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linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 …-1994. The interaction of this pre-existing network structure with patent growth in upstream technology fields has strong …
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