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Modelling the world economy at the 2050 horizon

Author

Listed:
  • Jean Fouré

    (CEPII - Centre d'Etudes Prospectives et d'Informations Internationales - Centre d'analyse stratégique)

  • Agnès Bénassy-Quéré

    (CEPII - Centre d'Etudes Prospectives et d'Informations Internationales - Centre d'analyse stratégique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris sciences et lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique)

  • Lionel Fontagné

    (CEPII - Centre d'Etudes Prospectives et d'Informations Internationales - Centre d'analyse stratégique, PSE - Paris School of Economics - UP1 - Université Paris 1 Panthéon-Sorbonne - ENS-PSL - École normale supérieure - Paris - PSL - Université Paris sciences et lettres - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement, CES - Centre d'économie de la Sorbonne - UP1 - Université Paris 1 Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, Department of Economics - EUI - European University Institute)

Abstract

Economic analysis is increasingly addressing long-term issues (such as global warming) that require a dynamic baseline for the world economy. In this article, we develop a three-factor (capital, energy, labour) macroeconometric (MaGE - Macroeconometrics of the Global Economy) model, and project growth for 147 countries to 2050. We improve on the literature by the following: (i) accounting for the energy constraint through dynamic modelling of energy productivity, (ii) modelling female participation rates consistent with education catch-up, (iii) departing from the assumptions of either a closed economy or full capital mobility (by applying a Feldstein-Horioka type relationship between saving and investment rates), and (iv) offering a fully consistent treatment of the Balassa-Samuelson effect. These innovative features have a sizeable impact on projected GDP.

Suggested Citation

  • Jean Fouré & Agnès Bénassy-Quéré & Lionel Fontagné, 2013. "Modelling the world economy at the 2050 horizon," Post-Print hal-00975545, HAL.
  • Handle: RePEc:hal:journl:hal-00975545
    DOI: 10.1111/ecot.12023
    Note: View the original document on HAL open archive server: https://hal.science/hal-00975545
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    GDP projections; long run; global economy;
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