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Economic Growth with Imperfect Protection of Intellectual Property Rights

Ryo Horii and Tatsuro Iwaisako ()

No 05-23-Rev., Discussion Papers in Economics and Business from Osaka University, Graduate School of Economics

Abstract: This paper examines the growth effects of intellectual property right (IPR) protection in a quality-ladder model of endogenous growth. Stronger IPR protection, which reduces the imitation probability, increases the reward for innovation. However, stronger protection also gradually reduces the number of competitive sectors, in which innovation is easier than in monopolistic sectors. With free entry to R&D, the number of researchers in each remaining competitive sector increases, but the concentration of R&D activity raises the possibility of unnecessary duplication of innovation, thereby hindering growth. Consequently, imperfect rather than perfect protection maximizes growth. Welfare and scale effects are also examined.

Keywords: intellectual property rights; endogenous growth; quality ladder; imitation; leapfrogging; duplication. (search for similar items in EconPapers)
JEL-codes: O31 O34 O41 (search for similar items in EconPapers)
Pages: 45 pages
Date: 2005-08, Revised 2006-04
New Economics Papers: this item is included in nep-ino
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http://www2.econ.osaka-u.ac.jp/library/global/dp/0523R.pdf (application/pdf)

Related works:
Journal Article: Economic Growth with Imperfect Protection of Intellectual Property Rights (2007) Downloads
Working Paper: Economic Growth with Imperfect Protection of Intellectual Property Rights (2005)
Working Paper: Economic Growth with Imperfect Protection of Intellectual Property Rights (2005) Downloads
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