agglomeration of US innovation. This study applies an ethnic-name database to individual US patent records to explore these trends …

through their parent firms' networks of innovating plants. Cross-cluster innovation spillovers do not depend on the physical … physical distances. To rationalize these findings, and to inform policy, we develop a tractable model of spatial innovation … that features both within- and cross-cluster innovation spillovers. Based on our model, we derive a sufficient statistic …

Tech clusters like Silicon Valley play a central role for modern innovation, business competitiveness, and economic …

This chapter reviews academic research on the connections between agglomeration and innovation. We first describe the … conceptual distinctions between invention and innovation. We then describe how these factors are frequently measured in the data …, industrial diversity) that theoretical and empirical work link to innovation, and we discuss factors that help sustain these …