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Spatial externalities, R&D spillovers, and endogenous technological change

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  • Tsangaris, Spyridon
  • Xepapadeas, Anastasios
  • Yannacopoulos, Athanasios N.
  • Salvati, Luca

Abstract

Forward-looking economic agents operating in a finite continuous geographic area choose how much to innovate at each point in time and space. Based on this assumption, the present study incorporates spatial interactions in endogenous growth models, addressing the criticism that such models are inconsistent with empirical evidence. More specifically, we introduce spatial production spillovers, knowledge diffusion across space, and the capability for spatial heterogeneity into a standard expanding variety growth model based on R&D. We study the properties of equilibrium and optimal allocations and argue that the characteristics are different from those of the non-spatial model, which alter the appropriate policy measures. Finally, we provide numerical examples demonstrating the importance of spatial dependent policy measures in achieving a balanced regional development.

Suggested Citation

  • Tsangaris, Spyridon & Xepapadeas, Anastasios & Yannacopoulos, Athanasios N. & Salvati, Luca, 2024. "Spatial externalities, R&D spillovers, and endogenous technological change," Regional Science and Urban Economics, Elsevier, vol. 109(C).
    • Handle: RePEc:eee:regeco:v:109:y:2024:i:c:s0166046224000863
    DOI: 10.1016/j.regsciurbeco.2024.104055
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    More about this item

    Keywords

    Agglomeration; Endogenous growth; Knowledge diffusion; Spatial development; Spatial externalities;
    All these keywords.

    JEL classification:

    • C61 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Optimization Techniques; Programming Models; Dynamic Analysis
    • O33 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Technological Change: Choices and Consequences; Diffusion Processes
    • O41 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - One, Two, and Multisector Growth Models
    • R10 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - General
    • R32 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location - - - Other Spatial Production and Pricing Analysis

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