“…Moreover, the same study showed that the share of service innovating enterprises that have collaborated with universities or public research institutes is very low in the EU (on average 6.4% and 7.0% respectively). Similarly in a more recent study, Carvalho et al (2018), found that sources of innovation for innovation with universities or other higher education institutions, government or public research institutes differs between manufacturing and services. For innovative service firms, the sources of information are more diverse and the factor analysis showed a greater importance to sources such as conferences and fairs, competitors, and customers which is logical given the influence of the market and the importance of the external environment for service firms (Carvalho et al 2018).…”