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Choix des investissements publics et taux d'actualisation

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  • Pierre Duharcourt

Abstract

[eng] This paper disctisses the validity of discotinting methods in the R C B cost-benefit analysis. It deals first ivith the signilicance of the discount rate, in several financial contexis, especially in the case of capital rationing. It discusses then the assumptions for a unique public discount rate ; the existence of sectorial budgetary constraints may imply the differenciation of discount rates and these are only known a posteriori. Finally, this paper appreciates the compatibilly of these budget constraints with social welfare maximization. [fre] Cet article étudie la validité des techniques d'actualisation utilisées dans les études coûts-avantages effectuées dans le cadre de la R C B. La signification du taux d'actualisation est d'abord rappelée dans différents contextes de financement, en particulier pour un agent soumis au rationnement de son capital. Les hypothèses justifiant l'unicité du taux d'actualisation public sont ensuite précisées , l'existence de contraintes budgétaires imposées aux différents secteurs d'intervention semble imposer une différenciation des taux d'actualisation, qui ne sont d'ailleurs connus qu'a posteriori. L'article examine enfin les conditions dans lesquelles l'existence de ces enveloppes peut être compatible avec la recherche de l'optimum collectif.

Suggested Citation

  • Pierre Duharcourt, 1972. "Choix des investissements publics et taux d'actualisation," Revue Économique, Programme National Persée, vol. 23(3), pages 493-505.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1972_num_23_3_408032
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    Cited by:

    1. D. Poupardin & R. Larrère, 1990. "La gestion forestière : rationnelle ou raisonnable," Cahiers d'Economie et Sociologie Rurales, INRA Department of Economics, vol. 15, pages 39-75.
    2. Poupardin, D. & Larrère, R., 1990. "La gestion forestière: rationnelle ou raisonnable," Cahiers d'Economie et de Sociologie Rurales (CESR), Institut National de la Recherche Agronomique (INRA), vol. 15.

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