The system of Italian industrial districts seems to have produced a "model of capitalism" that is different from those of the "Anglo-Saxon" and "Rhine Valley". However, the Italian model - which might be defined as "horizontal or network capitalism" - is not limited to Italy. Starting from a detailed look at the relations between general theories of complexity and an analysis of the economic dynamics of industrial clusters, this volume considers two different applications. Firstly, models of industrial clusters, and secondly, success cases of clusters around the world. The volume includes papers from well-known international authors. These papers were first presented at a conference organized by Fondazione Comunità e Innovazione in 2001 under the aegis of Edison (formerly Montedison) Group and of Accademia Nazionale dei Lincei.