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Market Allocations under Ambiguity: A Survey

Antoine Billot, Jean-Marc Tallon () and Sujoy Mukerji ()
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Antoine Billot: LEMMA - Laboratoire d'économie mathématique et de microéconomie appliquée - UP2 - Université Panthéon-Assas - Sorbonne Universités
Jean-Marc Tallon: PSE - Paris School of Economics, PJSE - Paris Jourdan Sciences Economiques - UP1 - Université Panthéon-Sorbonne - ENS Paris - École normale supérieure - Paris - INRA - Institut National de la Recherche Agronomique - EHESS - École des hautes études en sciences sociales - ENPC - École des Ponts ParisTech - CNRS - Centre National de la Recherche Scientifique

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Abstract: We review some of the (theoretical) economic implications of David Schmeidler's models of decision under uncertainty (Choquet expected utility and maxmin expected utility) in competitive market settings. We start with the portfolio inertia result of Dow and Werlang (1992), show how it does or does not generalize in an equilibrium setting. We further explore the equilibrium implications (indeterminacies, non revelation of information) of these decision models. A section is then devoted to the studies of Pareto optimal arrangements under these models. We conclude with a discussion of experimental evidence for these models that relate, in particular, to the implications for market behaviour discussed in the preceding sections.

Keywords: Choquet Expected Utility; Maxmin Expected Utility; No-trade; Risk Sharing; Indeterminacy; Experimental evidence (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-exp and nep-upt
Date: 2019-07
Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-02173491
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