Secrecy, the patent puzzle and endogenous growth
Michael Klein
European Economic Review, 2020, vol. 126, issue C
Abstract:
Endogenous growth models typically assume that innovations are protected solely by patents. Consequently, they predict that strengthening patent protection stimulates innovation by increasing the private return to R&D. This contrasts with empirical evidence that: (1) firms routinely employ a combination of patents and secrecy and (2) stronger patent regimes have been associated with increased patenting but not increased innovation, a finding referred to as the “patent puzzle.” In this paper, I develop a novel model of endogenous growth that is consistent with this evidence. Successful innovators’ choose an appropriation strategy in the form of a patent, secrecy mix. Both protection methods are imperfect, and innovators face a trade-off between secrecy’s superior protection against imitation and patenting’s protection against rival innovation. I demonstrate that growth oriented policy changes generate important economic effects through their impact on the endogenous appropriation strategies of innovators.
Keywords: Innovation; Intellectual property rights; Endogenous growth (search for similar items in EconPapers)
JEL-codes: O31 O34 O43 (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (12)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:eecrev:v:126:y:2020:i:c:s0014292120300775
DOI: 10.1016/j.euroecorev.2020.103445
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