Foundations of ambiguity and economic modeling

Are foundations of models of ambiguity-sensitive preferences too flawed to be usefully applied to economic models? Al-Najjar and Weinstein (2009) say such is indeed the case. In this paper, first, we point out that many of the key arguments by Al-Najjar and Weinstein do not apply to quite a few of...

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मुख्य लेखक: Mukerji, S
स्वरूप: Working paper
प्रकाशित: University of Oxford 2009
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author Mukerji, S
author_facet Mukerji, S
author_sort Mukerji, S
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description Are foundations of models of ambiguity-sensitive preferences too flawed to be usefully applied to economic models? Al-Najjar and Weinstein (2009) say such is indeed the case. In this paper, first, we point out that many of the key arguments by Al-Najjar and Weinstein do not apply to quite a few of the ambiguity preference models of more recent vintage, and therefore to that extent do not undermine the foundational aspects or applicability of ambiguity models in general. Second, we argue the focus in that paper on Ellsberg examples is an overly narrow concern; the Ellsberg examples have their uses but they are not the best context to understand why reasonable real-world agents may find acting with ambiguity-sensitive preferences normatively or prescriptively appealing. Finally, normative considerations aside, we submit that Al-Najjar and Weinstein are unduly dismissive of the power of such preferences to provide illuminating positive analyses of economic phenomena.
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spelling oxford-uuid:cdaf237a-9405-4166-bc77-68a2d9ce936c2022-03-27T07:30:19ZFoundations of ambiguity and economic modelingWorking paperhttp://purl.org/coar/resource_type/c_8042uuid:cdaf237a-9405-4166-bc77-68a2d9ce936cBulk import via SwordSymplectic ElementsUniversity of Oxford2009Mukerji, SAre foundations of models of ambiguity-sensitive preferences too flawed to be usefully applied to economic models? Al-Najjar and Weinstein (2009) say such is indeed the case. In this paper, first, we point out that many of the key arguments by Al-Najjar and Weinstein do not apply to quite a few of the ambiguity preference models of more recent vintage, and therefore to that extent do not undermine the foundational aspects or applicability of ambiguity models in general. Second, we argue the focus in that paper on Ellsberg examples is an overly narrow concern; the Ellsberg examples have their uses but they are not the best context to understand why reasonable real-world agents may find acting with ambiguity-sensitive preferences normatively or prescriptively appealing. Finally, normative considerations aside, we submit that Al-Najjar and Weinstein are unduly dismissive of the power of such preferences to provide illuminating positive analyses of economic phenomena.
spellingShingle Mukerji, S
Foundations of ambiguity and economic modeling
title Foundations of ambiguity and economic modeling
title_full Foundations of ambiguity and economic modeling
title_fullStr Foundations of ambiguity and economic modeling
title_full_unstemmed Foundations of ambiguity and economic modeling
title_short Foundations of ambiguity and economic modeling
title_sort foundations of ambiguity and economic modeling
work_keys_str_mv AT mukerjis foundationsofambiguityandeconomicmodeling