We focus on the firm's decision to enter insular technology domains and its effect on the impact that its subsequent innovation has on the field. Insular domains are technical domains that rely heavily on prior innovations within the same domain for subsequent innovations. We show that the...

We analyze the development of the German knowledge base measured by co-classifications of patents by German inventors and relate this technological development to changes in the structure of the underlying inventor networks. Our central hypothesis states that technologies which become more...