Services and the search for relevant innovation indicators: a review of national and internaitnal surveys

摘要

Having been ignored for a long time, innovation in services is now the object of institutional sur- veys at both the national and international level. The aim of this article is to review these surveys, Which divide into groups reflecting a range of Different theoretical approaches to innovation. It also attempts to examine (and to interpret in Theoretical term) the methodological limits of These studies, and in particular to highlight the Difficulties of comparison that they entail.