Nowadays, innovation is the main factor of firms and regions competitiveness. But, the conditions necessary to improve its development remain still unknown, particularly there are few works about spatial aspects of its appearance. Few monographs exist on the efficiency of 'local' networks, but...

The production of scientific and technological innovations has become essential for many firms, but the latter are seldom in possession of all the knowledge needed for this activity because of the increasing complexity of knowledge bases or because R&D departments are too small. As they do not...

During the eighties, small Sme's of the so-called « Third Italy » obtain high performances. So Italian scholars ( Baganasco, 1977, Becattini, 1979, Brusco, 1982) underline some elements that remind the English districts studied by Marshall. These works open the way to a set of theories based...