Do we really need heterogeneous agent models?
Harun Aydilek and
Asiye Aydilek
The Quarterly Review of Economics and Finance, 2020, vol. 78, issue C, 147-153
Abstract:
We investigate the existence of representative agent under various heterogeneities in a recursive utility framework. We provide the analytical solution of household allocations. We numerically explore whether we can find a representative agent whose income is the aggregate income of the society and whose allocations are the aggregate allocations of the society under heterogeneity in the parameter of risk aversion and/or parameter of intertemporal substitution, or discount rate or survival probability. We find that there is no representative agent when the heterogeneity is in survival probability. From the data, we know that there is heterogeneity among people in terms of survival probability. For instance, women tend to live longer than men, rich people tend to live longer than poor people. We conclude that it may be better to use heterogeneous agents models than the representative agent models under the recursive utility framework. Our results support the idea that we do need the heterogeneous agent models indeed.
Keywords: Recursive; Retiree; Risk aversion; Representative agent; Survival probability (search for similar items in EconPapers)
JEL-codes: C02 C61 D11 D81 D91 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:quaeco:v:78:y:2020:i:c:p:147-153
DOI: 10.1016/j.qref.2020.01.014
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