Dynamic complementarities in innovation strategies

James H. Love*, Stephen Roper, Priit Vahter

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


Using a panel of Irish manufacturing plants over the period 1991-2008 we test for dynamic complementarities in the joint use of internal R&D and external knowledge sources. We find little evidence, either from considering successive cross-sectional waves of comparable surveys, or in terms of the strategy switch choices of specific plants, that there has been a systematic move towards the joint use of internal and external knowledge in innovation. We then test formally for the presence of complementarities in the joint use of internal R&D and external innovation linkages. In static terms we find no evidence of complementarity, but in dynamic terms find evidence that strategy switches by individual plants towards a more 'open' strategy are accompanied by increased innovation outputs.

Original languageEnglish
Pages (from-to)1774-1784
Number of pages11
JournalResearch policy
Issue number10
Early online date10 Jun 2014
Publication statusPublished - 2014

Bibliographical note

© 2014 The Authors. Published by Elsevier B.V. This is an Open Access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/).

Funding: ESRC (RES-062-23-2767).


  • dynamic complementarities
  • innovation strategies
  • Ireland
  • ppen innovation


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