This chapter reviews academic research on the connections between agglomeration and innovation. We first describe the … conceptual distinctions between invention and innovation. We then discuss how these factors are frequently measured in the data … and industrial diversity) that theoretical and empirical work links to innovation, and we discuss factors that help …

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 …