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The relationship between R&D and competition : reconciling theory and evidence

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Chernyshev_CDMA_1704.pdf (742.8Kb)
Date
27/09/2017
Author
Chernyshev, Nikolay
Keywords
Inverted-U (hump-shaped) relationship
Research and development
Vertical innovation
Cournot-competition
HB Economic Theory
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Abstract
The hypothesis of a hump-shaped relationship between innovation and competition due to Aghion, Bloom, Blundell, Griffith, and Howitt (2005), has been tested for different data sets without garnering conclusive support. In this paper we argue that this lack of agreement is because of a difference in approaches to measuring innovation (either in terms of R&D outcomes or by R&D effort). We develop a unified tractable general-equilibrium framework, in which, while R&D outcomes are a hump-shaped function of competition, R&D effort can be observed to be either increasing, decreasing, or hump-shaped. This enables our paper, first, to reconcile the conclusions by Aghion et al. (2005) with more recent results and, second, to inform further attempts to identify the hump-shaped relationship in data.
Citation
Chernyshev , N 2017 ' The relationship between R &D and competition : reconciling theory and evidence ' CDMA Working Paper , no. 1704 .
Type
Working or discussion paper
Rights
Copyright (c)2017 the author
Description
Generous financial support of the Royal Economic Society is gratefully recognised.
Collections
  • University of St Andrews Research
URL
https://ideas.repec.org/p/san/cdmawp/1704.html
URI
http://hdl.handle.net/10023/11789

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