Maggioni, Mario A.; Uberti, T. Erika; Gambarotto, Francesca - Fondazione ENI Enrico Mattei (FEEM) - 2009
This paper presents a meta-analysis of the “cluster literature” contained in scientific journals from 1969 to 2007. Thanks to an original database we study the evolution of a stream of literature which focuses on a research object which is both a theoretical puzzle and an empirical...