1990
DOI: 10.2307/2938334
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Precautionary Saving in the Small and in the Large

Abstract: The theory of precautionary saving is shown in this paper to be isomorphic to the Arrow-Pratt theory of risk aversion, making possible the application of a large body of knowledge about risk aversion to precautionary saving, and more generally, to the theory of optimal choice under risk. In particular, a measure of the strength of precautionary saving motive analogous to the Arrow-Pratt measure of risk aversion is used to establish a number of new propositions about precautionary saving, and to give a new inte… Show more

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Cited by 1,760 publications
(1,062 citation statements)
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References 10 publications
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“…Une mesure alternative de l'épargne de précaution est la richesse additionnelle nécessaire afin de soutenir le niveau de consommation obtenu à partir du modèle HRP-ÉC (Kimball, 1990a).…”
Section: Les Fonctions De Consommationunclassified
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“…Une mesure alternative de l'épargne de précaution est la richesse additionnelle nécessaire afin de soutenir le niveau de consommation obtenu à partir du modèle HRP-ÉC (Kimball, 1990a).…”
Section: Les Fonctions De Consommationunclassified
“…Une prudence absolue non croissante implique que la notion de prudence s'applique non seulement aux risques imposés dans un monde déterministe, mais aussi aux risques ajoutés dans un environnement composé de risques indé-pendants (Kimball, 1990a). Aussi, une prudence absolue non croissante combinée à une aversion absolue au risque non croissante engendre une aversion standard au risque (Kimball, 1991).…”
Section: La Notion De Prudenceunclassified
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“…The fourth term in (1) is the SDR and corresponds to the prudence effect, which is large if the variance of expected future consumption growth, denoted by σ 2 , the coefficient of relative risk aversion, RRA, and the coefficient of relative prudence, denoted by PRU (which is equal to 1+IIA for power utility functions and for Epstein-Zin preferences), are high (cf. Kimball 1990). It pushes down the SDR and will make climate policy more ambitious.…”
Section: Intergenerational Ethics and The Risk-adjusted Discount Ratementioning
confidence: 99%