“…This typology can be simplified by distinguishing between general services, social services and utilities. PSINs can be created in any one of these categories, as illustrated by the following references identified in our survey of the literature: for general services (Faerman et al 2001), for social services (Kaminski 2016;Windrum 2014;Kolleck, 2014;Mandel and Keast 2013), for utilities (Schmidt et al 2018; Kolloch and Reck 2017; Compagnucci and Spigarelli 2018; Shaw and Burgess 2013). However, it should be noted that social services constitute a particularly favourable ground for PSINs set up for the implementation of social innovation (i.e.…”