Agrawal, Ajay; Cockburn, Iain; Rosell, Carlos - In: Journal of Urban Economics 67 (2010) 1, pp. 78-89
We examine variation in the concentration of inventive activity across 72 of North America's most highly innovative locations. In 12 of these areas, innovation is particularly concentrated in a single, large firm; we refer to such locations as "company towns". We find that inventors employed by...