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L'analyse géométrique de l'épargne de précaution. Des résultats complémentaires

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  • Éric Langlais

Abstract

[eng] The geometrical analysis of precautionary saving revisited. . In this paper, we introduce the concept of degree of prudence proposed by Kimball [1990], in order to give explicit foundations to the geometrical analysis of precautionary saving described by Eeckhoudt, Sneessens & Calcoen [1989]. We then obtain the specific properties of the « certainty-equivalent budget constraint », and of the income and substitution effects produced by income risk. [fre] L'analyse géométrique de l'épargne de précaution : des résultats complémentaires. . Dans cet article, nous précisons les fondements de l'approche géométrique de l'épargne de précaution proposée par Eeckhoudt, Sneessens & Calcoen [1989], en y intégrant le concept de coefficient de prudence proposé par Kimball [1990]. Nous obtenons alors une caractérisation précise des propriétés de « l'équivalent-certain de la courbe de budget en incertitude », ainsi que des effets revenu et de substitution engendrés par le risque de revenu.

Suggested Citation

  • Éric Langlais, 1993. "L'analyse géométrique de l'épargne de précaution. Des résultats complémentaires," Revue Économique, Programme National Persée, vol. 44(1), pages 95-116.
  • Handle: RePEc:prs:reveco:reco_0035-2764_1993_num_44_1_409439
    DOI: 10.3406/reco.1993.409439
    Note: DOI:10.3406/reco.1993.409439
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