Évolutions démographiques et déformation du cycle de la vie active. Quelles relations ?
AbstractHistorical changes in the typical life-cycle do not conform to a simple model of equal-sharing in which additional years of life are equally distributed between time devoted to training, work and leisure. We have instead observed a quasi-general decline in the share of our life-cycles that is devoted to labour. The major reason for such a deviation is the fact that this life-cycle evolves in response to other factors, such as productivity, preferences and conditions for the accumulation and depreciation of human capital. We investigate the articulation of these different factors in a continuous-time model of life-cycle optimisation that allows a realistic treatment of demographic structure. The main motives for the contraction of working lives are global productivity and the importance of human capital depreciation. We show that the equal-sharing scenario requires a parallel evolution of productivity and consumption norms, and a shift in the profile of human capital depreciation that parallels the change in life expectancy. Code JEL : J11, J22, J24, J26
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Bibliographic InfoArticle provided by Presses de Sciences-Po in its journal Revue économique.
Volume (Year): 59 (2008)
Issue (Month): 5 ()
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Find related papers by JEL classification:
- J11 - Labor and Demographic Economics - - Demographic Economics - - - Demographic Trends, Macroeconomic Effects, and Forecasts
- J22 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Time Allocation and Labor Supply
- J24 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Human Capital; Skills; Occupational Choice; Labor Productivity
- J26 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Retirement; Retirement Policies
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- Didier Blanchet & Magali Beffy & Marion Bachelet, 2011. "Projeter l’impact des réformes des retraites sur l’activité des 55 ans et plus : une comparaison de trois modèles," Économie et Statistique, Programme National Persée, vol. 441(1), pages 123-143.
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