The effect of time and ambiguity preferences on saving and insurance
Document Type
Other
Source Publication
Social Science Research Network
Publication Date
4-11-2015
Keywords
Precautionary saving, Self-insurance, Self-protection, Smooth ambiguity aversion, Intertemporal substitution, Risk aversion
Abstract
In this paper, we study two classical saving-insurance problems for the intertemporal version developed by Hayashi and Miao (2011) of the smooth ambiguity model of Klibanoff et al. (2005). These models put risk, ambiguity and time preferences together in a Kreps-Porteus aggregator, and disentangle the effects among risk, ambiguity and time preferences. We show that the concepts and techniques developed by Topkis (1998) and others can be used to obtain a set of simple and intuitive sufficient conditions such that risk, ambiguity and time preferences together always raise the demand for saving and self-insurance.
DOI
10.2139/ssrn.2479709
Publisher Statement
Copyright © 2015 Social Science Electronic Publishing, Inc
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Full-text Version
Publisher’s Version
Language
English
Recommended Citation
Li, J., & Wang, J. (2015). The effect of time and ambiguity preferences on saving and insurance. Social Science Research Network. Retrieved from http://dx.doi.org/10.2139/ssrn.2479709