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Intellectual property rights in a quality-ladder model with persistent leadership


Kiedaisch, Christian (2015). Intellectual property rights in a quality-ladder model with persistent leadership. European Economic Review, 80:194-213.

Abstract

This paper analyzes the effects of intellectual property rights in a quality-ladder model of endogenous growth in which incumbent firms preemptively innovate in order to keep their position of leadership. Unlike in models with leapfrogging, granting forward protection, and imposing a non-obviousness requirement reduces growth. In the main case where entrants and incumbents have free access to the same R&D technology, infinite protection against imitation, granted independently of the size of the lead, maximizes growth. If entrants have to engage in costly catch up before they can undertake frontier R&D, growth is maximal for a finite (expected) length of protection against imitation.

Abstract

This paper analyzes the effects of intellectual property rights in a quality-ladder model of endogenous growth in which incumbent firms preemptively innovate in order to keep their position of leadership. Unlike in models with leapfrogging, granting forward protection, and imposing a non-obviousness requirement reduces growth. In the main case where entrants and incumbents have free access to the same R&D technology, infinite protection against imitation, granted independently of the size of the lead, maximizes growth. If entrants have to engage in costly catch up before they can undertake frontier R&D, growth is maximal for a finite (expected) length of protection against imitation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:03 Faculty of Economics > Department of Economics
Dewey Decimal Classification:330 Economics
Uncontrolled Keywords:Intellectual property rights, cumulative innovation, persistent leadership, forward protection, non-obviousness requirement
Language:English
Date:2015
Deposited On:05 Nov 2015 08:50
Last Modified:01 Nov 2016 01:00
Publisher:Elsevier
ISSN:0014-2921
Publisher DOI:https://doi.org/10.1016/j.euroecorev.2015.09.005

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