Frenken, Koen; Oort, Frank Van; Verburg, Thijs - In: Regional Studies 41 (2007) 5, pp. 685-697
Frenken K., Van Oort F. and Verburg T. (2007) Related variety, unrelated variety and regional economic growth, Regional Studies 41, 685-697. In economic theory, one can distinguish between variety as a source of regional knowledge spillovers, called Jacobs externalities, and variety as a...
