The channels through which firms access and acquire new and relevant knowledge for their innovative activities is a critical issue for the geography and the management of innovation.  read more »

We explore the impact of geographic dispersion of a firm’s R&D activities on the quality of its innovative output. Using data on over half a million patents from 1,127 firms, we find that having geographically distributed R&D per se does not improve the quality of a firm’s innovations.  read more »