“…In this context, several authors suggest that there may be an interplay between network structure and the variety of technologies or industries in the region (Boschma & Frenken, 2010;Broekel & Boschma, 2012). Until now, large numbers of studies have focused their attention on the role of variety in innovation (Aarstad, Kvitastein, & Jakobsen, 2016;Castaldi, Frenken, & Los, 2015;Miguelez & Moreno, 2018) and particularly the role of industrial variety (Leppälä, 2019;Tavassoli & Carbonara, 2014), but very few studies have focused on both network structure and variety (van der Wouden & Rigby, 2019) and even fewer on the role of industrial variety.…”