' networking, collaboration and mutual learning in implementing innovation. The characteristics of interactions between actors …

hierarchical levels. In many SMEs, however, such formal mechanisms are complemented or even replaced by informal social networks … among managers and employees. Despite the relevance of intraorganizational networks, past research on SMEs, however, was … focused mainly on the interorganizational level of analysis. To cover this gap, we map ego networks of senior managers in SMEs …