Welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness

The welfare cost of random consumption fluctuations is known from De Santis (2007) to be increasing in the level of uninsured idiosyncratic consumption risk. It is known from Barillas, Hansen, and Sargent (2009) to increase if agents care about robustness to model misspecification. We calculate the...

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Main Authors: Ellison, M, Sargent, TJ
Format: Journal article
Language:English
Published: American Economic Association 2015
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author Ellison, M
Sargent, TJ
author_facet Ellison, M
Sargent, TJ
author_sort Ellison, M
collection OXFORD
description The welfare cost of random consumption fluctuations is known from De Santis (2007) to be increasing in the level of uninsured idiosyncratic consumption risk. It is known from Barillas, Hansen, and Sargent (2009) to increase if agents care about robustness to model misspecification. We calculate the cost of business cycles in an economy where agents face idiosyncratic consumption risk and fear model misspecification, finding that idiosyncratic risk has a greater impact on the cost of business cycles if agents already fear model misspecification. Correspondingly, endowing agents with fears about misspecification is more costly when there is already idiosyncratic risk.
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spelling oxford-uuid:5f592b3c-1776-4d42-b56d-01366dd6c65c2023-11-14T16:12:44ZWelfare cost of business cycles with idiosyncratic consumption risk and a preference for robustnessJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:5f592b3c-1776-4d42-b56d-01366dd6c65cEnglishORA DepositAmerican Economic Association2015Ellison, MSargent, TJThe welfare cost of random consumption fluctuations is known from De Santis (2007) to be increasing in the level of uninsured idiosyncratic consumption risk. It is known from Barillas, Hansen, and Sargent (2009) to increase if agents care about robustness to model misspecification. We calculate the cost of business cycles in an economy where agents face idiosyncratic consumption risk and fear model misspecification, finding that idiosyncratic risk has a greater impact on the cost of business cycles if agents already fear model misspecification. Correspondingly, endowing agents with fears about misspecification is more costly when there is already idiosyncratic risk.
spellingShingle Ellison, M
Sargent, TJ
Welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness
title Welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness
title_full Welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness
title_fullStr Welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness
title_full_unstemmed Welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness
title_short Welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness
title_sort welfare cost of business cycles with idiosyncratic consumption risk and a preference for robustness
work_keys_str_mv AT ellisonm welfarecostofbusinesscycleswithidiosyncraticconsumptionriskandapreferenceforrobustness
AT sargenttj welfarecostofbusinesscycleswithidiosyncraticconsumptionriskandapreferenceforrobustness