← Search Research Policy 2008 The technology clubs: The distribution of knowledge across nations Fulvio Castellacci; Daniele Archibugi DOI10.1016/j.respol.2008.08.006 Sources semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓