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using productivity and innovation data but has not directly assessed the effectiveness of R&D policy in promoting innovation …
Persistent link: https://www.econbiz.de/10011729096
discovery and in the diffusion of a technological principle and their profit flow depends on how many firms adopt the innovation …
Persistent link: https://www.econbiz.de/10011730583
Persistent link: https://www.econbiz.de/10003911426