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R&D spillovers and productivity : evidence from US manufacturing microdata
Los, Bart; Verspagen, Bart - 1996
Persistent link: https://www.econbiz.de/10000598271
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R&D spillovers and productivity : evidence from US manufacturing microdata
Los, Bart; Verspagen, Bart - 1996
Persistent link: https://www.econbiz.de/10000956292
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Product differentiation and product complexity : a conceptual model and an empirical application to microcomputers
Frenken, Koen; Windrum, Paul - 2000
Persistent link: https://www.econbiz.de/10001561980