Firms' search for external knowledge is one aspect of knowledge integration in the innovation process. The literature has investigated innovation and the breadth of search in different information channels. We introduce the concept of search balance reflecting the heterogeneity of a firm's...

Firms can use different sources of external knowledge for developing and implementing innovations. Some knowledge is provided deliberately by the source and constitutes intended knowledge spillovers, e.g., knowledge disclosed in publications or patent files. Other sources represent unintended...