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Competition, Imitation, and R&D Productivity in a Growth Model with Sector-Specific Patent Protection

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  • Malte Mosel
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    Abstract

    Recent empirical studies suggest a need for a flexible patent regime responding to industry characteristics. In practice, sector-specific modifications of patent strength already exist but lack theoretical foundation. This paper intends to make up for this neglect by scrutinizing in what direction industry characteristics influence optimal patent strength. It is found that patents ought to be weaker, the more intense competition, the higher R&D productivity, and the more intricate reverse engineering are. Unlike similar step-by-step innovation models of economic growth, the model assumes Cournot competition and introduces an empirically substantiated measure of sector differences in the ability to catch up with the technological leader. It is found that for most empirically plausible cases the familiar inverted-U relation between patent length and growth carries over to the Cournot set-up.

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    Bibliographic Info

    Paper provided by CESifo Group Munich in its series CESifo Working Paper Series with number 3109.

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    Date of creation: 2010
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    Handle: RePEc:ces:ceswps:_3109

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    Related research

    Keywords: competition; imitation; innovation; Schumpeterian growth; sector-specific patent protection; Supplementary Protection Certificates;

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    1. Winfried KOENIGER & Omar LICANDRO, 2004. "Substitutability and Competition in the Dixit-Stiglitz Model," Economics Working Papers ECO2004/05, European University Institute.
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