We analyse how spatial disparities in innovation activities, coupled with migration costs, affect economic geography, growth and regional inequality. We provide conditions for existence and uniqueness of a spatial equilibrium, and for the endogenous emergence of industry clusters. Spatial...

This paper analyzes the effect of innovation clusters on the adoption of a gen- eral purpose technology (GPT) and on firms R&D investment levels in im- perfect information situation. To do this, we developed a theoretical model of vertical relation, described as a four-step game between an...