Please use this identifier to cite or link to this item: https://hdl.handle.net/10419/25727 
Year of Publication: 
2008
Series/Report no.: 
Jena Economic Research Papers No. 2008,043
Publisher: 
Friedrich Schiller University Jena and Max Planck Institute of Economics, Jena
Abstract: 
This work deals with the determinants of cooperative invention and innovation within innovation systems. Several proximity dimensions are used to identify the levels on which systemic innovation activities can be observed. To disentangle the effects of different proximity dimensions a procedure is suggested to identify the relative regional impact (RRI) on cooperative invention and innovation. Applying this method to German patent data shows that there are significant differences in the RRI of German regions. These differences are related to measures of the technological relatedness of the regions knowledge bases, and over time they show a considerable path dependency.
Subjects: 
Proximity concepts
cooperative innovation
innovation systems
JEL: 
O31
P25
Q55
Document Type: 
Working Paper

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