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Coordination interne et externe de la politique économique. Une analyse dynamique

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  • Pierre Villa
  • Fabrice Capoen

Abstract

[eng] We study in a dynamical framework the conflict between government and the central bank according to the exchange rate regime, the nature of the expectations of prices and exchange rate regimes (flexible, fixed, EMU), convergence criteria such the public debt/GDP ratio. The method consists in calculating Perfect Nash Equilibria between authorities and then modelling « internal and external coordination » by a Dynamic Nash-Bargaining procedure. To manage public debt in order to obtain a debt/GDP target raises an intertemporal problem of economic policy : to reduce public debt means a restrictive policy-mix in the short term and a reduction of the real interest rate in the long term in order to be accepted by private agents : but there is no « natural » mechanism to allow for this adjustment. [fre] Nous étudions dans un cadre dynamique le conflit entre l'État et la Banque centrale selon le régime de change et les critères de convergence, tel le ratio dette publique/PIB. La méthode consiste à calculer des équilibres de Nash parfaits et à modéliser les coordinations internes et externes par des procédures Nash-Bargaining dynamiques. Gérer la dette publique pour obtenir un ratio dette publique/PIB soulève un problème intertemporel de politique économique : réduire la dette publique signifie mettre en œuvre une politique mixte restrictive à court terme et réduire le taux d'intérêt à long terme pour qu'elle soit acceptée par les agents privés. Mais il n'existe aucun mécanisme naturel qui permette cet ajustement.

Suggested Citation

  • Pierre Villa & Fabrice Capoen, 1998. "Coordination interne et externe de la politique économique. Une analyse dynamique," Revue Économique, Programme National Persée, vol. 49(3), pages 655-664.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1998_num_49_3_409998
    DOI: 10.3406/reco.1998.409998
    Note: DOI:10.3406/reco.1998.409998
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    Citations

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    Cited by:

    1. Antoine Bouveret & Bruno Ducoudre, 2007. "On the Contingency of Equilibrium Exchange Rates with Time - Consistent Economic Policies," SciencePo Working papers Main hal-01066080, HAL.
    2. repec:spo:wpecon:info:hdl:2441/6125 is not listed on IDEAS
    3. Antoine Bouveret, 2010. "Politiques économiques, dynamique et équilibre de long terme du taux de change," Sciences Po publications info:hdl:2441/53r60a8s3ku, Sciences Po.
    4. Gatete, Charly & Dabat, Marie-Helene, 2014. "Développement des agrocarburants en Afrique de l’Ouest. Une analyse institutionnelle comparative," Économie rurale, French Society of Rural Economics (SFER Société Française d'Economie Rurale), vol. 344(November-).
    5. Antoine Bouveret, 2010. "Economic policies, long run equilibrium and exchange rate dynamics [Politiques économiques, dynamique et équilibre de long terme du taux de change]," SciencePo Working papers Main tel-04097866, HAL.
    6. repec:hal:spmain:info:hdl:2441/5221 is not listed on IDEAS
    7. repec:hal:wpspec:info:hdl:2441/6125 is not listed on IDEAS
    8. repec:spo:wpecon:info:hdl:2441/53r60a8s3kup1vc9kd52ge69h is not listed on IDEAS
    9. repec:hal:spmain:info:hdl:2441/6125 is not listed on IDEAS
    10. repec:hal:wpspec:info:hdl:2441/53r60a8s3kup1vc9kd52ge69h is not listed on IDEAS
    11. Bruno Ducoudre, 2008. "Structure par terme des taux d’intérêt et anticipations de la politique économique," Sciences Po publications info:hdl:2441/5221, Sciences Po.
    12. repec:hal:spmain:info:hdl:2441/53r60a8s3kup1vc9kd52ge69h is not listed on IDEAS

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