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 …

geographically and function-ally. They promoted rapid innovation by resorting to systematic Research and Development ef- forts. And … innovation in the econ-omy. Hence, to the extent that policy makers strive to achieve the priorities of citizens, they are …