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 …

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 …

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