the development of local innovation clusters. …

, regional, and national scale. In order to effect and sustain a positive change, innovation and knowledge networks need to be …

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 …