Introduction to the special issue in honor of Luigi Orsenigo.

The dynamics of created advantages i , London, Pinter Publishers, 1992 L'accumulazione delle capacita' tecnologiche nell'industria italiana (19869-84) (with F. Malerba), in I "Innovazione tecnologica e servizi alle imprese", i edited by C. Filippini, F. Angeli, Milano, 1992 La competitivita' tecnologica internazionale dell'industria italiana negli anni ottanta (with F. Malerba e G. Antonel), in Ministero del Commercio Estero e Istituto Nazionale per il Commercio estero, I Conferenza nazionale sul commercio estero. Essays in honour of R. Cyert i , Edward Elgar London 2001 Modelli History friendly della evoluzione delle industrie: il caso dell'industria dei computer (with F. Malerba), I Economia e Politica Industriale, i 2001 Product Diversification in a "History-Friendly Model of the Evolution of the Computer Industry (with Franco Malerba, Richard Nelson, and Sidney Winter), in E. Larsen and A. Lomi (eds.), Due to this revolution, an industry dominated by a stable core of large firms moved to a market structure in which a division of scientific, innovative and production labour has taken place between large incumbent firms and innovative start-ups. On the contrary, in industries in which innovation is relevant, exit takes place both among infant as well as mature firms and does not necessarily involve only the smaller firms. [Extracted from the article]