policy, due to their potential to foreclose competition and affect innovation incentives. We exploit major new product …

, vertical linkages with foreign firms, and international trade on several types of innovation by domestic firms. Using … and innovation and show that the supply chain of multinational enterprises and international trade are also important … channels. There is no evidence for an inverted U relationship between innovation and foreign competition. The relationship …

We measure the extent to which skilled immigrants increase innovation in the United States by exploring individual …

We present evidence of a causal impact of research and development (R&D) tax incentives on innovation. We exploit a …

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 …