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

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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