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A Macrodynamic Model of War: Addressing Kant's Democratic Peace Proposition

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  • Laurent Gauthier

    (CAC-IXXI, Complex Systems Institute, ESPRI - Espace, Pratiques sociales et Images dans les mondes Grec et Romain - ArScAn - Archéologies et Sciences de l'Antiquité - UP1 - Université Paris 1 Panthéon-Sorbonne - UP8 - Université Paris 8 - UPN - Université Paris Nanterre - MCC - Ministère de la Culture et de la Communication - CNRS - Centre National de la Recherche Scientifique)

  • Antoine Parent

    (LED - Laboratoire d'Economie Dionysien - UP8 - Université Paris 8)

  • Vincent Touzé

    (OFCE - Observatoire français des conjonctures économiques (Sciences Po) - Sciences Po - Sciences Po)

Abstract

War and political regime are fundamentally linked. From Athen's democratic empire in the 5th Century BCE, through the industrialization of war in the 19th and 20th centuries to today's nuclear powers, all forms of political regimes have been involved in war. Very few macroeconomic models have accounted for the costs and benefits of war. We develop a macrodynamic model of war in order to address Kant's notion of democratic perpetual peace. We enrich macroeconomics by introducing regime-specific sensitivity to human loss, which affects the desirability of war. Our model, based on a dynamics à la Solow, can account for multiple wars throughout history.

Suggested Citation

  • Laurent Gauthier & Antoine Parent & Vincent Touzé, 2025. "A Macrodynamic Model of War: Addressing Kant's Democratic Peace Proposition," Sciences Po Economics Publications (main) hal-05410295, HAL.
  • Handle: RePEc:hal:spmain:hal-05410295
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