Precautionary Saving in the Small and in the Large

Miles Kimball

Econometrica, 1990, vol. 58, issue 1, 53-73

Abstract: The theory of precautionary saving is shown 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 the 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 interpretation of the Dreze-Modigliani substitution effect. Copyright 1990 by The Econometric Society.

Date: 1990
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