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 …

' 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 …

.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 …

's fairs between 1851 and 1915. Exhibition data show that the industry where an innovation is made is the single most important …