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R&D and Productivity: Empirical Evidence at the Firm Level
Wieser, Robert - 2001
Persistent link: https://www.econbiz.de/10011435077
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R&D and Productivity: Evidence for European and U.S. Firms in the 1990s
Wieser, Robert - 2001
Persistent link: https://www.econbiz.de/10011435083