Social relationships channel information, influence, and access to scarce resources. As a consequence, social networks - the patterns of these relationships across the members of a community - influence who comes up with important innovations, whether and how rapidly those innovations get...

Previous empirical research has established that science appears to stimulate the widespread diffusion of knowledge. The exact mechanism through which science catalyzes knowledge flow, however, remains somewhat ambiguous. This paper investigates whether the observed knowledge diffusion...