We analyse how spatial disparities in innovation activities, coupled with migration costs, affect economic geography … endogenous emergence of industry clusters. Spatial variations in knowledge spillovers lead to spatial concentration of more …. Narrowing the gap in knowledge spillovers across regions raises growth, and reduces regional inequality by making firms more …

' access to new and better capital goods depends on the knowledge gap, i.e., the wedge between the firm's technical knowledge … knowledge diffusion subsequently leading to declining business dynamism. Our findings indicate that only when knowledge … markups, falling labor share and productivity growth. Patents are an important obstacle to knowledge diffusion. We find an …