Service innovation is a young but prolific research field, with a rapidly increasing number of publications being … Djellal and Fai͏̈z Gallouj (2013), 'Environmental Policies and Eco-Innovations by Service Firms: An Agent-Based Model' …' -- Christopher J. Easingwood (1986), 'New Product Development for Service Companies' -- Ulrike De Brentani, (1989), 'Success and …