This paper examines the empirical relationship between technological innovations, market share and stock market value. New developments in the estimation of dynamic count data models are used to control for unobserved firm specific heterogeneity. We find a robust and positive effect of market share on observable headcounts of innovations and patents although increased product market competition in the industry tends to stimulate innovative activity. Furthermore, the impact of innovation on market value is larger for firms with higher market shares. We argue that our results are consistent with models where high market share firms have incentives to pre-emptively innovate.
Authors
![Richard Blundell](/sites/default/files/styles/square_desktop/public/2024-03/Richard%20Blundell%20Head.jpg?itok=ow7e9OkA)
CPP Co-Director
Richard is Co-Director of the Centre for the Microeconomic Analysis of Public Policy (CPP) and Senior Research Fellow at IFS.
![Rachel Cassidy](/sites/default/files/styles/square_desktop/public/2022-08/Rachel_Griffith.jpg?itok=YovGgLq9)
CPP Co-Director, IFS Research Director
Rachel is Research Director and Professor at the University of Manchester. She was made a Dame for services to economic policy and education in 2021.
![Person graphic](/sites/default/files/styles/square_desktop/public/2022-06/IFS-person-graphic.png?itok=hWCtTSrz)
John Van Reenen
Journal article details
- Publisher
- University College London
- Issue
- July 1999
Suggested citation
R, Blundell and R, Griffith and J, Van Reenen. (1999). 'Market share, market value and innovation in a panel of British manufacturing firms' (1999)
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