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 …

STEM PhDs /Ina Ganguli and Patrick Gaulé --II. Immigration policy and innovation.High-skill immigration, innovation, and … and Chungeun Yoon --III. Immigration and entrepreneurship.Immigrant entrepreneurs and innovation in the U.S. high … the links between immigration policy in determining who can come into the country and the rate of innovation among …