Italian industrial districts (IDs) recently attracted international attention because their performance during the last few decades contradicted the alleged weakness of industrial structures based on SMEs in "traditional" sectors. The book analyses some developments taking place in Italian IDs and local systems of production that can represent a new stage of evolution for the backbone of the Italian economy. Based on the extensive use of original databases three main trajectories of change in IDs are presented. The first trajectory is the increasing role of "groups" of manufacturing SMEs...