Recent literature on firm innovation emphasize the importance of combinations of different knowledge sources in … innovation processes. Moreover, the literature on firm collaboration has evolved stepwise: (1) knowledge networks tend to be … important. By using data from a survey on innovation and collaboration of 636 firms in the county of Jönköping, Sweden, we find …

external knowledge resources. The paper introduces the notion variety triplet to distinguish individual export varieties, where … and external knowledge of local industries influence the industry’s scope and value of export varieties. The paper … contributes to existing knowledge firstly by introducing variables that measure a local industry’s access to external supply of …