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Modelling of Agglomeration and Dispersion in RHOMOLO

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Abstract

The dynamic spatial general equilibrium model RHOMOLO with endogenous firm location incorporates multiple sources of agglomeration and dispersion. Agglomeration is driven mainly by increasing returns to scale and localised externalities; dispersion by costly trade and imperfect competition. In RHOMOLO, three mechanisms interact in determining the equilibrium spatial distribution of agents: capital mobility, labour mobility and vertical linkages as captured by costly input-output trade. While households choose their location based on real income differences, firms' spatial equilibrium is determined by the inter-regional equalisation of returns on capital. Illustrative simulation results suggest that in the EU labour mobility has the tendency to magnify the home market effect and the market access effect. In contrast, the market crowding effect seems to dominate the market access effect for capital mobility and vertical linkages. These results are in line with the theoretical literature, where the endogenous location mechanism of labour mobility contains two agglomeration forces and one dispersion force, whereas the endogenous location mechanisms of capital mobility and vertical linkages contain one agglomeration force and one dispersion force.

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  • Francesco Di Comite & d’Artis Kancs, 2014. "Modelling of Agglomeration and Dispersion in RHOMOLO," JRC Working Papers JRC81349, Joint Research Centre (Seville site).
  • Handle: RePEc:ipt:iptwpa:jrc81349
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    1. Andries Brandsma & D'Artis Kancs, 2015. "RHOMOLO: A Dynamic General Equilibrium Modelling Approach to the Evaluation of the European Union's R&D Policies," Regional Studies, Taylor & Francis Journals, vol. 49(8), pages 1340-1359, August.
    2. Francesco Di Comite & Olga Diukanova & D'Artis Kancs, 2016. "RHOMOLO Model Manual: A Dynamic Spatial General Equilibrium Model for EU Regions and Sectors," JRC Working Papers JRC96776, Joint Research Centre (Seville site).
    3. Pavel Ciaian & d’Artis Kancs, 2015. "Assessing the Social and Macroeconomic Impacts of Labour Market Integration: A Holistic Approach," JRC Working Papers JRC99645, Joint Research Centre (Seville site).
    4. Andries Brandsma & d'Artis Kancs & Philippe Monfort & Alexandra Rillaers, 2015. "RHOMOLO: A dynamic spatial general equilibrium model for assessing the impact of cohesion policy," Papers in Regional Science, Wiley Blackwell, vol. 94, pages 197-221, November.
    5. Olga Ivanova & d'Artis Kancs & Dirk Stelder, 2009. "Modelling Inter-Regional Trade Flows: Data and Methodological Issues in Rhomolo," EERI Research Paper Series EERI RP 2009/31, Economics and Econometrics Research Institute (EERI), Brussels.
    6. Francesco Di Comite & D'Artis Kancs, 2015. "Macro-Economic Models for R&D and Innovation Policies - A Comparison of QUEST, RHOMOLO, GEM-E3 and NEMESIS," JRC Working Papers JRC94323, Joint Research Centre (Seville site).
    7. Patrizio Lecca & Javier Barbero Jimenez & Martin Aaroe Christensen & Andrea Conte & Francesco Di Comite & Jorge Diaz-Lanchas & Olga Diukanova & Giovanni Mandras & Damiaan Persyn & Stylianos Sakkas, 2018. "RHOMOLO V3:A Spatial Modelling Framework," JRC Working Papers JRC111861, Joint Research Centre (Seville site).
    8. Jean Mercenier & Maria Teresa Alvarez Martinez & Andries Brandsma & Francesco Di Comite & Olga Diukanova & d'Artis Kancs & Patrizio Lecca & Montserrat Lopez-Cobo & Philippe Monfort & Damiaan Persyn & , 2016. "RHOMOLO-v2 Model Description: A spatial computable general equilibrium model for EU regions and sectors," JRC Working Papers JRC100011, Joint Research Centre (Seville site).
    9. Brandsma, Andries & Di Comite, Francesco & Diukanova, Olga & Kancs, d’Artis & López-Rodríguez, Jesús & Persyn, Damiaan & Potters, Lesley, 2014. "Assessing policy options for the EU Cohesion Policy 2014-2020," INVESTIGACIONES REGIONALES - Journal of REGIONAL RESEARCH, Asociación Española de Ciencia Regional, issue 29, pages 17-46.
    10. d'Artis Kancs & Patrizio Lecca, 2016. "Long-term social, economic and fiscal effects of immigration into the EU: The role of the integration policy," EERI Research Paper Series EERI RP 2016/08, Economics and Econometrics Research Institute (EERI), Brussels.
    11. Proost, Stef & Thisse, Jacques-François, 2015. "Skilled Cities, Regional Disparities, and Efficient Transport: The state of the art and a research agenda," CEPR Discussion Papers 10790, C.E.P.R. Discussion Papers.

    More about this item

    Keywords

    New economic geography; endogenous location; agglomeration; dispersion; general equilibrium; economic modelling.;

    JEL classification:

    • C63 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computational Techniques
    • C68 - Mathematical and Quantitative Methods - - Mathematical Methods; Programming Models; Mathematical and Simulation Modeling - - - Computable General Equilibrium Models
    • D58 - Microeconomics - - General Equilibrium and Disequilibrium - - - Computable and Other Applied General Equilibrium Models
    • F1 - International Economics - - Trade
    • F12 - International Economics - - Trade - - - Models of Trade with Imperfect Competition and Scale Economies; Fragmentation
    • H41 - Public Economics - - Publicly Provided Goods - - - Public Goods
    • O1 - Economic Development, Innovation, Technological Change, and Growth - - Economic Development
    • O31 - Economic Development, Innovation, Technological Change, and Growth - - Innovation; Research and Development; Technological Change; Intellectual Property Rights - - - Innovation and Invention: Processes and Incentives
    • O40 - Economic Development, Innovation, Technological Change, and Growth - - Economic Growth and Aggregate Productivity - - - General
    • R13 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - General Regional Economics - - - General Equilibrium and Welfare Economic Analysis of Regional Economies
    • R3 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Real Estate Markets, Spatial Production Analysis, and Firm Location
    • R4 - Urban, Rural, Regional, Real Estate, and Transportation Economics - - Transportation Economics

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