[eng] Having been ignored for a long time, innovation in services is now the object of surveys af both the national and international level. The aim of the present article is to review these surveys, which divide up into groups reflecting a range of different theoretical approaches to...

[eng] The existing studies on innovation in service industries, and especially in consultancy services, are often enjailed by concepts developed for manufacturing activities. The classical features assigned to technological innovation (novelty, risk, appropriability, reproducibility as well as...