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Courbe de Phillips et modèle WS-PS. Quelques réflexions

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  • Henri Sterdyniak
  • Hervé Le Bihan

Abstract

[fre] Courbe de Phillips et modèle WS-PS. Quelques réflexions. . Rompant avec la pratique empirique des courbes de Phillips caractérisées par une influence négative du taux de chômage sur le taux de croissance des salaires, les « nouvelles théories du chômage » ont voulu refonder le concept de taux de chômage d'équilibre à partir de courbes WS-PS, basées sur des modèles théoriques, où le taux de chômage joue négativement sur le niveau des salaires. Elles ambitionnent d'expliquer ainsi la croissance et la persistance du chômage de masse en Europe depuis vingt-cinq ans. Toutefois, l'existence et les déterminants d'une cible de long terme de salaire réel posent de délicats problèmes théoriques et empiriques ; aussi, les divers travaux de cette école fournissent-ils des explications contradictoires de la hausse du chômage. [eng] Phillips curve and WS-PS model, a restatement. . Breaking with the empirical practice of Phillips Curves characterised by a negative influence of the unemployment rate on growth rate of nominal wages, the « new unemployment theories » have tried to restate the concept of equilibrium rate of unemployment from WS-PS curves, based on theoretical and micro-economic works, in which the unemployment rate has a negative impact on the level of wages. They claim to explain the growth and the persistence of mass unemployment in Europe since 25 years. However, the existence and the features of the real wage target that are postulated by this approach set many delicate theoretical and empirical problems. Thus, the various works of this school give contradictory explanations of the rise of unemployment.

Suggested Citation

  • Henri Sterdyniak & Hervé Le Bihan, 1998. "Courbe de Phillips et modèle WS-PS. Quelques réflexions," Revue Économique, Programme National Persée, vol. 49(3), pages 937-948.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1998_num_49_3_410023
    DOI: 10.3406/reco.1998.410023
    Note: DOI:10.3406/reco.1998.410023
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    Cited by:

    1. Henri Sterdyniak & Pierre Villa & Département analyse et prévision de l'OFCE, 1998. "Pour une réforme du financement de la Sécurité sociale," Revue de l'OFCE, Programme National Persée, vol. 67(1), pages 155-205.
    2. repec:spo:wpecon:info:hdl:2441/2005 is not listed on IDEAS
    3. Éric Heyer & Xavier Timbeau, 2002. "Le chômage structurel à 5 % en France ?," Revue de l'OFCE, Presses de Sciences-Po, vol. 80(1), pages 115-151.
    4. Valérie Chauvin & Gaël Dupont & Éric Heyer & Xavier Timbeau, 2001. "Le retour au plein emploi ?," Revue de l'OFCE, Presses de Sciences-Po, vol. 79(4), pages 195-233.
    5. repec:hal:wpspec:info:hdl:2441/5281 is not listed on IDEAS
    6. repec:hal:wpspec:info:hdl:2441/1949 is not listed on IDEAS
    7. Eric Heyer & Hervé Le Bihan & Frédéric Lerais, 2000. "Relation de Phillips, boucle prix-salaire : une estimation par la méthode de Johansen," Économie et Prévision, Programme National Persée, vol. 146(5), pages 43-60.
    8. Hervé Le Bihan, 2009. "1958-2008, avatars et enjeux de la courbe de Phillips," Revue de l'OFCE, Presses de Sciences-Po, vol. 0(4), pages 81-101.
    9. repec:hal:spmain:info:hdl:2441/1625 is not listed on IDEAS
    10. repec:hal:spmain:info:hdl:2441/1949 is not listed on IDEAS
    11. repec:hal:spmain:info:hdl:2441/1907 is not listed on IDEAS
    12. Valérie Chauvin & Gaël Dupont & Éric Heyer & Mathieu Plane & Xavier Timbeau, 2002. "Le modèle France de l'OFCE. La nouvelle version : e-mod.fr," Revue de l'OFCE, Presses de Sciences-Po, vol. 81(2), pages 245-300.
    13. Éric Heyer & Frédéric Reynès & Henri Sterdyniak, 2005. "Variables observables et inobservables dans la théorie du taux de chômage d'équilibre. Une comparaison France/États-Unis," Revue économique, Presses de Sciences-Po, vol. 56(3), pages 593-603.
    14. J. Bardaji & B. Campagne & M.-B. Khder & Q. Lafféter & O. Simon & A.-S. Dufernez & C. Elezaar & P. Leblanc & E. Masson & H. Partouche, 2017. "The MESANGE macroeconometric model: re-estimation and innovations," Documents de Travail de l'Insee - INSEE Working Papers g2017-04, Institut National de la Statistique et des Etudes Economiques.
    15. repec:spo:wpecon:info:hdl:2441/5281 is not listed on IDEAS
    16. repec:hal:wpspec:info:hdl:2441/2005 is not listed on IDEAS
    17. Hervé Le Bihan, 1998. "L'impact de la réduction des cotisations employeurs : quelques jalons macroéconomiques," Revue de l'OFCE, Programme National Persée, vol. 66(1), pages 171-198.
    18. repec:hal:spmain:info:hdl:2441/5281 is not listed on IDEAS
    19. repec:spo:wpecon:info:hdl:2441/1949 is not listed on IDEAS
    20. repec:hal:spmain:info:hdl:2441/2005 is not listed on IDEAS
    21. repec:hal:spmain:info:hdl:2441/1631 is not listed on IDEAS

    More about this item

    JEL classification:

    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity

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