research on the connections between agglomeration and innovation. The authors first describe the conceptual distinctions … between invention and innovation. They then discuss how these factors are frequently measured in the data and note some …, industrial diversity) that theoretical and empirical work link to innovation, and they discuss factors that help sustain these …

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 …