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R&S e spillover industriali: un'analisi sulle imprese italiane

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  • G. Medda
  • C. Piga

Abstract

In questo lavoro l’analisi degli spillover si è concentrata sulle esternalità fra le impre-se italiane del tipo intra- e inter-industry ed i loro effetti sulla produttività. Le rela-zioni tra i vari settori sono state approssimate attraverso una matrice degli scambi commerciali. I principali risultati sono i seguenti - ? un importante effetto degli spillover intra-industry, con dei rendimenti supe-riori alla media dei risultati presenti in letteratura. La localizzazione geografi-ca non sembra invece determinare notevoli effetti intra-settoriali. ? le stime degli spillover inter-industry mostrano dei risultati all’interno di un range minore di quelli intra-settoriali, con un effetto più netto degli spillover provenienti a monte della catena produttiva (supply-driven) rispetto a quelli customer-driven. In conclusione, le imprese possono sfruttare a scopi produttive conoscenze di altri, a patto che appartengano a settori manifatturieri ad alta intensità tecnologica, che in-trattenga rapporti commerciali, sia a monte sia a valle della catena produttiva, con imprese di industrie dinamiche da un punto di vista tecnologico.

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Bibliographic Info

Paper provided by Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia in its series Working Paper CRENoS with number 200406.

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Date of creation: 2004
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Handle: RePEc:cns:cnscwp:200406

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Related research

Keywords: total factor productivity; r&d; spillover; selectivity; firm level;

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References

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Citations

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Cited by:
  1. G. Marletto, 2006. "La politica dei trasporti come politica per l’innovazione: spunti da un approccio evolutivo," Working Paper CRENoS 200605, Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia.
  2. Francesco Aiello & Paola Cardamone, 2010. "Regional Economic Divide And The Role Of Technological Spillovers In Italy. Evidence From Microdata," Working Papers, Università della Calabria, Dipartimento di Economia, Statistica e Finanza (Ex Dipartimento di Economia e Statistica) 201010, Università della Calabria, Dipartimento di Economia, Statistica e Finanza (Ex Dipartimento di Economia e Statistica).
  3. Paola Cardamone, 2012. "A micro-econometric analysis of the role of R&D spillovers using a nonlinear translog specification," Journal of Productivity Analysis, Springer, Springer, vol. 37(1), pages 41-58, February.
  4. O. Carboni & G. Medda, 2007. "Government Size and the Composition of Public Spending in a Neoclassical Growth Model," Working Paper CRENoS 200701, Centre for North South Economic Research, University of Cagliari and Sassari, Sardinia.

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