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Migration modelling in the New Economic Geography

Author

Listed:
  • Carmen Camacho

    (CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique)

Abstract

It is our aim to study some of the migration laws utilized in Economic Geography, their dynamic properties and how their long-run predictions and stability change with the specificities of the economic models under consideration. After a thorough description of Fujita and Thisse (2002), we introduce a different migration law à la Krugman (1991a). Although individuals do not foresee price changes, the steady state outcome does not vary qualitatively: the unique steady state is a symmetric distribution of skilled labour across regions. We can prove that this interior steady state is asymptotically stable, which represents a net improvement in the dynamic analysis of the long run with respect to Fujita and Thisse. When we model the economy using the Romer (1990) model applied to two regions and allowing for inter-regional skilled migration, then there exists a solution path that converges to an asymmetric steady state. In effect, the new steady state depends on technology, fixed costs, knowledge spillovers and transportation costs.

Suggested Citation

  • Carmen Camacho, 2013. "Migration modelling in the New Economic Geography," Post-Print hal-00973381, HAL.
    • Handle: RePEc:hal:journl:hal-00973381
    DOI: 10.1016/j.mathsocsci.2013.04.006
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    Citations

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    Cited by:

    1. Liliana Harding & Mihaela Neamţu, 2018. "A Dynamic Model of Unemployment with Migration and Delayed Policy Intervention," Computational Economics, Springer;Society for Computational Economics, vol. 51(3), pages 427-462, March.
    2. Syarifuddin, Ferry, 2020. "An Optimal Islamic Investment Decision in Two-region Economy: The Case of Indonesia and Malaysia," MPRA Paper 104809, University Library of Munich, Germany.
    3. Ademir Rocha & Cleomar Gomes da Silva & Fernando Perobelli, 2022. "The New Economic Geography and labour emigration: Analysing Venezuela's hyperinflation episode," Journal of International Development, John Wiley & Sons, Ltd., vol. 34(1), pages 175-202, January.
    4. Grafeneder-Weissteiner, Theresa & Kubin, Ingrid & Prettner, Klaus & Prskawetz, Alexia & Wrzaczek, Stefan, 2015. "Coping with inefficiencies in a New Economic Geography model: The unintended consequences of policy interventions," Mathematical Social Sciences, Elsevier, vol. 76(C), pages 146-157.
    5. José M. Gaspar, 2018. "A prospective review on New Economic Geography," The Annals of Regional Science, Springer;Western Regional Science Association, vol. 61(2), pages 237-272, September.
    6. Ballestra, Luca Vincenzo, 2016. "The spatial AK model and the Pontryagin maximum principle," Journal of Mathematical Economics, Elsevier, vol. 67(C), pages 87-94.
    7. Cho, Cheol-Joo, 2017. "The displacement and attraction effects in interurban migration: An application of the input-output scheme to the case of large cities in Korea," Economics Discussion Papers 2017-49, Kiel Institute for the World Economy (IfW Kiel).

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