We assess the efficiency of regional innovation systems (RIS) in Germany by means of a knowledge production function … the efficiency of its innovation system is inversely u-shaped. Regions dominated by large establishments tend to be less …

A new model of economic growth introduces the knowledge filter between new knowledge and economically useful knowledge …. It identifies both new ventures and incumbent firms as the mechanisms that penetrate the knowledge filter. Recent … empirical work has shown that new firms are more proficient at penetrating the knowledge filter than are incumbent firms …