"Cross-firm" Inventors and Social Networks: Localized Knowledge Spillovers Revisited
In: Contributions in Memory of Zvi Griliches
AbstractThe paper explores the role of inventors' mobility and social networks in generating localized knowledge flows. Using a sample of Italian inventors, we replicate Jaffe's, Trajtenberg's, and Henderson's  test on patent citations and find similar results. We then control for the role of "cross-firm inventors" (inventors who move across, or do research for different companies), who generate personal self-citations and help creating social links across companies by entering various teams of inventors, which in turn will cite each others' patents. When controlling for personal self-citations, no localization of knowledge flows remains to be seen at the city or province level. What remains of localization effects at the regional level diminishes sensibly after controlling also for the social ties between inventors from cited, citing, and control patents. Knowledge flows thus appear to be localized to the extent that cross-firm activity of inventors and the resulting social networks are also localized. The weight of personal self-citations suggests that frequent interpretations of localized knowledge flows as spillovers, that is externalities, may be misplaced.
Download InfoTo our knowledge, this item is not available for download. To find whether it is available, there are three options:
1. Check below under "Related research" whether another version of this item is available online.
2. Check on the provider's web page whether it is in fact available.
3. Perform a search for a similarly titled item that would be available.
This chapter was published in:
This item is provided by National Bureau of Economic Research, Inc in its series NBER Chapters with number 12233.
Contact details of provider:
Postal: National Bureau of Economic Research, 1050 Massachusetts Avenue Cambridge, MA 02138, U.S.A.
Web page: http://www.nber.org
More information through EDIRC
Other versions of this item:
- Stefano BRESCHI & Francesco LISSONI, 2005. "“Cross-firm” Inventors and Social Networks: Localised Knowledge Spillovers Revisited," Annales d'Economie et de Statistique, ENSAE, issue 79-80, pages 189-209.
You can help add them by filling out this form.
CitEc Project, subscribe to its RSS feed for this item.
- Lissoni, Francesco, 2010. "Academic inventors as brokers," Research Policy, Elsevier, vol. 39(7), pages 843-857, September.
- Carayol, Nicolas & Roux, Pascale, 2009.
"Knowledge flows and the geography of networks: A strategic model of small world formation,"
Journal of Economic Behavior & Organization,
Elsevier, vol. 71(2), pages 414-427, August.
- Nicolas Carayol & Pascale Roux, 2006. "Knowledge flows and the geography of networks. A strategic model of small worlds formation," Working Papers of BETA 2006-16, Bureau d'Economie Théorique et Appliquée, UDS, Strasbourg.
- Mario A. Maggioni & Mario Nosvelli & T. Erika Uberti, 2006. "Space Vs. Networks in the Geography of Innovation: A European Analysis," Working Papers 2006.153, Fondazione Eni Enrico Mattei.
- Lorenzo Cassi & Anne Plunket, 2010.
"The determinants of co-inventor tie formation: proximity and network dynamics,"
Papers in Evolutionary Economic Geography (PEEG)
1015, Utrecht University, Section of Economic Geography, revised Nov 2010.
- Cassi, Lorenzo & Plunket, Anne, 2010. "The determinants of co-inventor tie formation: proximity and network dynamics," MPRA Paper 27303, University Library of Munich, Germany.
- Breschi, Stefano & Catalini, Christian, 2010. "Tracing the links between science and technology: An exploratory analysis of scientists' and inventors' networks," Research Policy, Elsevier, vol. 39(1), pages 14-26, February.
- Camilla Lenzi, 2010. "Workers’ mobility and patterns of knowledge diffusion: evidence from Italian data," The Journal of Technology Transfer, Springer, vol. 35(6), pages 651-670, December.
- Favaro, Donata & Ninka, Eniel & Turvani, Margherita, 2012. "Productivity in innovation: the role of inventor connections and mobility," MPRA Paper 38950, University Library of Munich, Germany.
- Deroian, F., 2008. "Dissemination of spillovers in cost-reducing alliances," Research in Economics, Elsevier, vol. 62(1), pages 34-44, March.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: ().
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If references are entirely missing, you can add them using this form.
If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.
Please note that corrections may take a couple of weeks to filter through the various RePEc services.