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Spillovers, product substitution and R&D investment: theory and evidence

Thomas Grebel and Lionel Nesta

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Abstract: We investigate the conditions under which R&D investment by rival firms may be negatively or positively correlated. Using a two-stage game the influence of spillovers and product substitution is investigated. It is shown that under Cournot competition, the sign of the R&D reaction function depends on four types of environments in terms of the level of product substitution and of spillovers. We then test the prediction of the model on the world's largest manufacturing corporations. We assume that firms make oblivious R&D investments based on the R&D decision of the average rival company. We then develop a dynamic panel data model that accounts for the endogeneity of the decision of the mean rival firms. Results corroborate the validity of the theoretical model.

Keywords: Process R&D; spillovers; product substitution; reaction function; GMM (search for similar items in EconPapers)
Date: 2013-10
New Economics Papers: this item is included in nep-com, nep-cse, nep-ino and nep-tid
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Working Paper: Spillovers, product substitution and R&D investment: theory and evidence (2013) Downloads
Working Paper: Spillovers, product substitution and R&D investment: theory and evidence (2013) Downloads
Working Paper: Spillovers, Product Substitution and R&D Investment: Theory and Evidence (2013) Downloads
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