Tecnologia e dinamica dei vantaggi comparati: un confronto fra quattro regioni italiane
This paper compares the evolution of trade specialisation, by technological content, of Emilia-Romagna, Lombardia, Marche, Veneto and the Italian average over 1992-2002. It is shown that, over the period, the four regionsï¿½ export performance has been negatively affected by the stationarity of sectorial comparative advantages vis-ï¿½-vis the evolution of the structure of world demand. Only Veneto shifted its specialisation from low-tech to high-tech, while the other regions became increasingly despecialised in high-tech productions. At the end of the decade the four regionsï¿½ trade specialisation patterns is still dominated by the low-tech ï¿½made in Italyï¿½ goods. The four regions have a comparative disadvantage in the sectors with stronger world export growth, though they show some advantages in industries whose world demand rose at intermediate speed. Over the decade the specialisation in the world fastest growing sectors grew for Veneto, was unchanged for Marche, and decreased for Emilia-Romagna; Lombardia and Italy mitigated their comparative disadvantages in those sectors. The four regionsï¿½ exports are generally more concentrated than the worldï¿½s in the low-tech sectors; the negative gap between the regional and the world shares of high-tech exports has widened over the decade.
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