We build a model of firm-level innovation, productivity growth and reallocation featuring endogenous entry and exit. A …

High-skilled immigrants are a very important component of U.S. innovation and entrepreneurship. Immigrants account for … home country remains unclear. We know very little about return migration of workers engaged in innovation and …

of highly valued products. In so doing, we suggest an innovation policy framework based on two pillars: (i) the … economy. We argue that the latter area has been overlooked in the policy discussion and that a coherent innovation policy …

of highly valued products. In so doing, we suggest an innovation policy framework based on two pillars: (i) the … economy. We argue that the latter area has been overlooked in the policy discussion and that a coherent innovation policy …

linked fields. Our analysis uses 1.8 million U.S. patents and their citation properties to map the innovation network and its … strength. Past innovation network structures are calculated using citation patterns across technology classes during 1975 … predictive power on future innovation after 1995. This pattern is consistent with the idea that when there is more past upstream …