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Optimisation et décentralisation des programmes d'investissements de transport

Author

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  • Joël Maurice
  • Émile Quinet
  • Alain Sauvant

Abstract

[fre] Ce texte propose une méthode pour déterminer le programme optimal d’un ensemble de projets, tenant compte des liaisons entre ces projets (incompatibilités, concurrence ou complémentarité), des modalités de financement (partenariat public-privé) et d’éventuelles contraintes budgétaires. Cette méthode est analysée sur le plan formel ; l’utilisation du théorème de Kuhn et Tucker met en évidence le sens des variables duales associées aux contraintes et les relie aux méthodes classiques d’optimisation. Des simulations permettent d’évaluer le bien-fondé de critères de programmation couramment utilisés en pratique, les possibilités de décentralisation des décisions ainsi que l’utilisation du financement privé et du partenariat public-privé pour la réalisation des infrastructures. [eng] This article proposes a method to determine the optimal program for a set of projects, taking into account their links (incompatibilities, competition, or complementarity), funding sources (public-private partnership ), and possible budget constraints. We analyze the method in formal terms. By applying the Kuhn-Tucker theorem, we identify the direction of the dual variables associated with the constraints and link them to classical optimization methods. We use simulations to test the robustness of the programming criteria commonly used in practice, the scope for decentralized decision-making, and the use of private funding and public-private partnerships to carry out infrastructure projects.

Suggested Citation

  • Joël Maurice & Émile Quinet & Alain Sauvant, 2006. "Optimisation et décentralisation des programmes d'investissements de transport," Économie et Prévision, Programme National Persée, vol. 175(4), pages 31-50.
  • Handle: RePEc:prs:ecoprv:ecop_0249-4744_2006_num_175_4_7561
    DOI: 10.3406/ecop.2006.7561
    Note: DOI:10.3406/ecop.2006.7561
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