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Treating patent as relational data: Knowledge transfers and spillovers across Italian provinces

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  • Mario A. Maggioni

    ()

  • Teodora Erika Uberti

    ()

  • Stefano Usai

    ()

Abstract

The paper adopts a new perspective to investigate the characteristics of innovation clusters within and across Italian NUTS3 regions (province). Patents are used as relational data connecting inventors to applicants along a dual interpretation of a “knowledge production” and a “knowledge utilization” function. The paper intends to map and measure the structure and the evolution of a series of innovation sub-systems (both at territorial level and at the industry level) in two different periods of time, 1987-1991 and 1997-2001 to detect how networks of inventors and applicants have changed over time. The paper uses the CRENoS database on regional patenting, built on EPO data, spanning from 1978 to 2001 and uses two complementary analytical tools (network analysis and spatial econometrics) in order to analyse the behaviours of inventors and applicants within 103 Italian NUTS3 regions (province) and 5 specific industries chosen according to the Pavitt’s taxonomy (Footwear, Textiles, Chemicals, Personal Computers and Machine). The paper deals with the following research questions. Is the polarisation of the geographical structure of the innovative activity in Italy, replicated both at the inventors and at the applicant level? Which are the relevant changes in the 20 years? Can we distinguish between a “knowledge production function” and a “knowledge utilisation function”? Which is the structure of knowledge flows between inventors and applicants in Italian provinces? Are there industry-specific differences? Which are the determinants of the knowledge flows between Italian provinces?

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Bibliographic Info

Paper provided by Università Cattolica del Sacro Cuore, Dipartimento di Economia internazionale, delle istituzioni e dello sviluppo (DISEIS) in its series DISEIS - Quaderni del Dipartimento di Economia internazionale, delle istituzioni e dello sviluppo with number dis0802.

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Date of creation: 2008
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Handle: RePEc:dis:wpaper:dis0802

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Web page: http://dipartimenti.unicatt.it/economia_internazionale_istituzioni_sviluppo
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Related research

Keywords: patents; Italian innovation system; gravity equation; spatial econometrics;

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Cited by:
  1. 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.
  2. R. Paci & E. Marrocu & S. Usai, 2011. "The complementary effects of proximity dimensions on knowledge spillovers," Working Paper CRENoS 201121, Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia.
  3. Martina Fromhold-Eisebith & Claudia Werker, 2013. "Universities’ functions in knowledge transfer: a geographical perspective," The Annals of Regional Science, Springer, vol. 51(3), pages 621-643, December.
  4. E. Marrocu & S. Usai & R. Paci, 2013. "Networks, proximities and inter-firm knowledge exchanges," Working Paper CRENoS 201311, Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia.
  5. Mario Maggioni & Teodora Uberti, 2011. "Networks and geography in the economics of knowledge flows," Quality & Quantity: International Journal of Methodology, Springer, vol. 45(5), pages 1031-1051, August.

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