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Technological and geographical proximity effects on knowledge spillovers: evidence from us patent citations

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  • Luigi Aldieri

Abstract

The purpose of this paper is to investigate the pattern of knowledge flows as indicated by patent citations. In order to compute the technological proximity, we have followed the methodology developed by Jaffe (1986), where a technological vector is based on the distribution of patents of each firm across technology classes. As far as the geographic proximity is concerned, we have used the latitude and the longitude coordinates of the city in which each firm is located. The empirical results suggest that the effects of proximity variables on knowledge flows are rather differentiated.

Suggested Citation

  • Luigi Aldieri, 2008. "Technological and geographical proximity effects on knowledge spillovers: evidence from us patent citations," DULBEA Working Papers 08-18.RS, ULB -- Universite Libre de Bruxelles.
  • Handle: RePEc:dul:wpaper:08-18rs
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    References listed on IDEAS

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    1. Michele Cincera, 1998. "Economic and technological performances of international firms," ULB Institutional Repository 2013/212081, ULB -- Universite Libre de Bruxelles.
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    1. repec:ibn:ijefaa:v:9:y:2017:i:7:p:106-113 is not listed on IDEAS
    2. McNamee, Robert C., 2013. "Can’t see the forest for the leaves: Similarity and distance measures for hierarchical taxonomies with a patent classification example," Research Policy, Elsevier, vol. 42(4), pages 855-873.
    3. Aldieri, Luigi & Vinci, Concetto Paolo, 2015. "R&D Migration: a cross-national analysis," MPRA Paper 62541, University Library of Munich, Germany.
    4. Aldieri, Luigi & Kotsemir, Maxim & Vinci, Concetto Paolo, 2017. "Jacobian spillovers in environmental technological proximity: the role of Mahalanobis index on European patents within the Triad," MPRA Paper 77274, University Library of Munich, Germany.
    5. Pierre-Guillaume Méon & Ariane Szafarz, 2008. "Labor market discrimination as an agency cost," DULBEA Working Papers 08-19.RS, ULB -- Universite Libre de Bruxelles.
    6. repec:spr:scient:v:89:y:2011:i:3:d:10.1007_s11192-011-0473-z is not listed on IDEAS
    7. Luigi Aldieri & Concetto Paolo Vinci, 2016. "Knowledge Migration: A Cross-National Analysis," De Economist, Springer, vol. 164(2), pages 109-123, June.
    8. Luigi Aldieri, 2013. "Knowledge technological proximity: evidence from US and European patents," Economics of Innovation and New Technology, Taylor & Francis Journals, vol. 22(8), pages 807-819, November.
    9. Aldieri, Luigi, 2011. "Knowledge spillovers and productivity in Italian manufacturing firms," MPRA Paper 35018, University Library of Munich, Germany.
    10. repec:wsi:ijimxx:v:21:y:2017:i:04:n:s1363919617500359 is not listed on IDEAS
    11. Kyriakos Drivas & Claire Economidou, 2015. "Is geographic nearness important for trading ideas? Evidence from the US," The Journal of Technology Transfer, Springer, vol. 40(4), pages 629-662, August.
    12. Bernal, Oscar & Oosterlinck, Kim & Szafarz, Ariane, 2010. "Observing bailout expectations during a total eclipse of the sun," Journal of International Money and Finance, Elsevier, vol. 29(7), pages 1193-1205, November.
    13. repec:spr:jecfin:v:42:y:2018:i:3:d:10.1007_s12197-017-9398-6 is not listed on IDEAS
    14. Iritié, B. G. Jean Jacques, 2016. "Economic issues of innovation clusters-based industrial policy : a critical overview," EconStor Preprints 142746, ZBW - Leibniz Information Centre for Economics.
    15. Morescalchi, Andrea & Pammolli, Fabio & Penner, Orion & Petersen, Alexander M. & Riccaboni, Massimo, 2015. "The evolution of networks of innovators within and across borders: Evidence from patent data," Research Policy, Elsevier, vol. 44(3), pages 651-668.
    16. repec:spr:qualqt:v:51:y:2017:i:4:d:10.1007_s11135-016-0353-y is not listed on IDEAS
    17. Chiara Criscuolo & Angelo Secchi, 2016. "Resources (mis)allocation, innovation and the competitiveness of Europe," Economia e Politica Industriale: Journal of Industrial and Business Economics, Springer;Associazione Amici di Economia e Politica Industriale, vol. 43(1), pages 1-9, March.
    18. Charles Plaigin, 2009. "Exploratory study on the presence of cultural and institutional growth spillovers," DULBEA Working Papers 09-03.RS, ULB -- Universite Libre de Bruxelles.
    19. Luigi Aldieri & Concetto Paolo Vinci, 2017. "Quantile Regression for Panel Data: An Empirical Approach for Knowledge Spillovers Endogeneity," International Journal of Economics and Finance, Canadian Center of Science and Education, vol. 9(7), pages 106-113, July.
    20. Klaus Kultti & Tuomas Takalo & Tanja Tanayama, 2015. "R&D spillovers and information exchange: a case study," Eurasian Economic Review, Springer;Eurasia Business and Economics Society, vol. 5(1), pages 63-76, June.
    21. Luigi Aldieri & Concetto Paolo Vinci, 2016. "Technological Spillovers Through A Patent Citation Analysis," International Journal of Innovation Management (ijim), World Scientific Publishing Co. Pte. Ltd., vol. 20(02), pages 1-23, February.
    22. Aldieri, Luigi & Aprile, Maria Carmela & Vinci, Concetto Paolo, 2015. "R&D Spillovers Effects on strategic behaviour of Large International Firms," MPRA Paper 63402, University Library of Munich, Germany.

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    Keywords

    Innovation; Knowledge Spillovers; Technology Transfer; Patent Citations.;

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