Although conceptual support for the relevance of social capital as an antecedent of innovation has received much theoretical attention over recent years, measurement and quantitative evidence are scarce, particularly in regional contexts. Available empirical research referring to different units...

Innovation performance seems to rely on efficiently integrating and extending different pieces of various types of knowledge emerging from diverse external sources. Different research traditions have stressed both formal (FSK) and informal sources of knowledge (ISK) as innovation performance...