Despite the increased interest in innovation in service sectors in the last 10 years, our knowledge about it still lags significantly behind what we know about innovation in manufacturing sectors. Although services account for more than 65% of GDP in the more developed countries, conceptual and operational difficulties resulting from the immaterial nature of services justify this state of affairs. Moreover, services have been seen, for a long time, as innovation laggards, even after innovation was no longer restricted to the outputs of R&D activities. This work aims at shedding some light on...