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

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Author Info
G. Medda
C. Piga

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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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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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Find related papers by JEL classification:
O30 - Economic Development, Technological Change, and Growth - - Technological Change - - - General
D24 - Microeconomics - - Production and Organizations - - - Production; Capital and Total Factor Productivity; Capacity
C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
C80 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - General

References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:

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Cited by:
(explanations, Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.)

  1. Gerardo 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. [Downloadable!]
  2. OA. 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. [Downloadable!]
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