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Growth, inequality and integration: a political economy analysis

Author

Listed:
  • Hubert Kempf

    (EUREQUA - Equipe Universitaire de Recherche en Economie Quantitative - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique)

  • Stéphane Rossignol

    (EUREQUA - Equipe Universitaire de Recherche en Economie Quantitative - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, UVSQ - Université de Versailles Saint-Quentin-en-Yvelines)

Abstract

The issue of political integration between two countries (more generally two political constituencies) for economic reasons is studied within the context of a simple endogenous growth model with a productive public good financed by taxation. We consider two countries which initially differ in terms of average endowment, size and inequality. Because taxation affects the distribution of income both within and betweencountries, we are able to show how integration impacts it over the entire time horizon. The decision to integrate or not is made by the two national median voters.We establish the net gain for any individual in any country derived from integration and offer two alternative decompositions of this gain. It is then proven that even though integration generates aggregate gains for both countries through an endogenous growth mechanism related to size, it may be in the interest of either median voter not to vote for integration given the transformation in the inequality schedule it implies. Surprisingly, even the poorer median voter may vote against integration. Turning to the process of union building, we prove that, once it is decided, integrationis irreversible. Countries may initially decide against integration, yet be willing to reverse this decision in a subsequent period.

Suggested Citation

  • Hubert Kempf & Stéphane Rossignol, 2005. "Growth, inequality and integration: a political economy analysis," Post-Print halshs-00177256, HAL.
    • Handle: RePEc:hal:journl:halshs-00177256
    DOI: 10.1111/j.1467-9779.2005.00241.x
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    Cited by:

    1. Hubert Kempf & Stéphane Rossignol, 2007. "Is Inequality Harmful For The Environment In A Growing Economy?," Economics and Politics, Wiley Blackwell, vol. 19(1), pages 53-71, March.
    2. Congjia Huo & Lingming Chen, 2022. "The Impact of the Income Gap on Carbon Emissions: Evidence from China," Energies, MDPI, vol. 15(10), pages 1-22, May.
    3. Kimiko Terai, 2009. "Interregional Disparities in Productivity and the Choice of Fiscal Regime," Journal of Public Economic Theory, Association for Public Economic Theory, vol. 11(3), pages 383-409, June.
    4. Grégoire Rota Graziosi, 2004. "La fragmentation politique, une revue de la littérature," Revue Française d'Économie, Programme National Persée, vol. 18(4), pages 193-223.
    5. Kimiko Terai, 2008. "Interregional Disparities in Productivity and the Choice of Fiscal Regime," Working Papers 070813, University of California-Irvine, Department of Economics.

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