Introduction /Petra Moser --The roots of agricultural innovation : patent evidence of knowledge spillovers /Matthew … Meyers, Paul W. Rhode --Comment /Michael J. Roberts --Local effects of land grant colleges on agricultural innovation and …, more resilient crops to feed a more crowded planet in the twenty-first century. Innovation has historically helped …

reforms that would likely increase the rate of innovation and the number of startups due to immigrants in the country. Key …

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 …

knowledge and facilitate innovation. The paper draws on the notion of network resources, distinguishing two types: social … important source of innovation. Overall, firms investing more in the development of their inter-firm and other external … knowledge networks enjoy higher levels of innovation. It is suggested that an over-reliance on social capital forms of network …

.S. science and innovation. This paper presents the first systematic analysis of the émigrés' effects on U.S. innovation … instrument for fields of émigrés indicate that OLS may underestimate effects on U.S. innovation. Evidence from a new data set on … the patent histories of more than 500,000 U.S. inventors indicates that the émigrés arrival increased U.S. innovation by …

' effects on chemical innovation in the U.S. we compare changes in patenting by U.S. inventors in research fields of émigrés ….S. invention. Inventor-level data indicate that émigrés encouraged innovation by attracting new researchers to their fields, rather …

' effects on chemical innovation in the U.S. we compare changes in patenting by U.S. inventors in research fields of émigrés ….S. invention. Inventor-level data indicate that émigrés encouraged innovation by attracting new researchers to their fields, rather …