Are there diminishing returns to R&D?

Research output: Contribution to journalArticle

26 Citations (Scopus)


Semi-endogenous models and, to some extent, also Schumpeterian models are based on the assumption of diminishing returns to R&D. This paper shows that the null hypothesis of constant returns to R&D cannot be rejected for the OECD countries.

Original languageEnglish
Pages (from-to)161-166
Number of pages6
JournalEconomics Letters
Issue number2
Publication statusPublished - 1 May 2007
Externally publishedYes

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