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Départ à la retraite, irréversibilité et incertitude

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  • Ronan Mahieu
  • Béatrice Sédillot

Abstract

[eng] Retirement Decisions, Irreversibility and Uncertainty . by Ronan Mahieu and Béatrice Sédillot . The purpose of this paper is to analyse the effect of the irreversibility of the retirement decision on labour supply after sixty. According to theory, when the retirement decision is an absorbing state, people tend to remain longer on the labour market to be able to benefit from changes in preferences or economic environment favourable to participation. Simulations performed on a sample of individuals with heterogeneous careers illustrate this result. When pensions schemes are actuarially fair, the irreversibility of the retirement decision leads to higher participation rates in the initial years of the potential retirement period. Moreover labour supply around sixty increases with uncertainty. Simulations show that the impact of an increase in uncertainty on participation rates depends to a large extent on pension scales. Whereas the effect is considerable with actuarially fair systems, it is almost insignificant in the French institutional setting where individual choices are highly constrained by the rules. Key-words : irreversibility, retirement decision, pension schemes. JEL Classification : H55, J26. . [fre] L’objectif de cet article est d’analyser les conséquences de l’irréversibilité du départ à la retraite sur les décisions d’activité après 60 ans. L’analyse théorique des choix irréversibles en environnement incertain montre en effet que, lorsque la liquidation des droits implique un retrait définitif du marché du travail, les individus tendent à différer leur départ pour se garder la possibilité de tirer avantage d’évolutions des préférences ou de l’environnement économique favorables à l’activité. Les simulations effectuées sur un échantillon d’individus, hétérogènes en termes de profil de carrière et d’âge d’entrée sur le marché du travail, illustrent ce résultat. Dans l’hypothèse où le système de retraite serait purement actuariel, l’irréversibilité de la décision de départ à la retraite tend à accroître les taux d’activité au début de la période au cours de laquelle la liquidation des droits est autorisée. Les taux d’activité aux âges élevés sont en revanche plus faibles que dans la situation où un retour sur le marché du travail reste possible. De plus, en présence d’irréversibilité, les taux d’activité tendent à s’accroître à mesure que l’incertitude augmente. Les simulations montrent toutefois que l’ampleur de cet effet dépend fortement de la nature des barèmes de retraite. Si une hausse de l’incertitude a un impact assez important avec des barèmes purement actuariels, il est nettement moins sensible avec les règles actuelles qui contraignent fortement les choix individuels. Mots-clés : irréversibilité, départ à la retraite, systèmes de retraite. Classification JEL : H55, J26.

Suggested Citation

  • Ronan Mahieu & Béatrice Sédillot, 2001. "Départ à la retraite, irréversibilité et incertitude," Économie et Prévision, Programme National Persée, vol. 149(3), pages 87-101.
  • Handle: RePEc:prs:ecoprv:ecop_0249-4744_2001_num_149_3_6294
    DOI: 10.3406/ecop.2001.6294
    Note: DOI:10.3406/ecop.2001.6294
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    References listed on IDEAS

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    More about this item

    JEL classification:

    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • J26 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Retirement; Retirement Policies
    • H55 - Public Economics - - National Government Expenditures and Related Policies - - - Social Security and Public Pensions
    • J26 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Retirement; Retirement Policies

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