Internal and external R&D: A sample selection approach

Claudio A. Piga, Marco Vivarelli

Research output: Contribution to journalArticlepeer-review

113 Citations (Scopus)


This study underlines that the decision to enter into an external R&D relationship is related to an antecedent decision to carry out R&D. This calls for an empirical approach that permits the joint analysis of the determinants of the two decisions, correcting for sample selectivity. Based on a sample of Italian manufacturing firms, the results confirm the need to adopt this approach. Another contribution made by this study is the managerial implications that can be derived from its empirical model, which provide a better understanding of the factors associated with a firm's decision to engage in R&D both independently and with external partners.

Original languageEnglish
Pages (from-to)457-482
Number of pages26
JournalOxford Bulletin of Economics and Statistics
Issue number4
Publication statusPublished - 1 Sep 2004
Externally publishedYes


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