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The Geography of Knowledge and R&D-led Growth

Real effects ofacademic research: comment

Marta Aloi, Joanna Poyago-Theotoky and Frederic Tournemaine

Journal of Economic Geography, 2022, vol. 22, issue 6, 1149-1190

Abstract: We analyse how spatial disparities in innovation activities, coupled with migration costs, affect economic geography, market structure, growth and regional inequality. We provide conditions for existence and uniqueness of a spatial equilibrium, and for the endogenous emergence of industry clusters. Spatial variations in knowledge spillovers lead to spatial concentration of more innovative firms. Migration costs, however, limit the concentration of economic activities in the most productive region. Narrowing the gap in knowledge spillovers across regions raises growth, and reduces regional inequality by making firms more sensitive to wage differentials. The associated change in the industry concentration has positive welfare effects.

Keywords: Growth; Economic geography; Geographic labour mobility; Innovation; R&D; Knowledge spillovers; Regional economics (search for similar items in EconPapers)
JEL-codes: J61 L13 O31 O41 R32 (search for similar items in EconPapers)
Date: 2022
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Journal of Economic Geography is currently edited by Jorge De la Roca, Stephen Gibbons, Simona Iammarino, Amanda Ross and James Faulconbridge

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