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Ambiguity Preferences and Portfolio Choices: Evidence from the Field

Milo Bianchi () and Jean-Marc Tallon ()
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Jean-Marc Tallon: CES - Centre d'économie de la Sorbonne - UP1 - Université Panthéon-Sorbonne - CNRS - Centre National de la Recherche Scientifique, PSE - Paris School of Economics

Université Paris1 Panthéon-Sorbonne (Post-Print and Working Papers) from HAL

Abstract: We investigate the empirical relation between ambiguity aversion, risk aversion and portfolio choices. We match administrative panel data on portfolio choices with survey data on preferences over ambiguity and risk. We report three main findings. First, conditional on participation, ambiguity averse investors hold riskier portfolios. Second, they rebalance their portfolio in a contrarian direction relative to the market. Accordingly, their exposure to risk is more stable over time. Third, their portfolios experience higher returns, but they are also more sensitive to market trends. In several instances, the effects of ambiguity aversion stand in sharp contrast with those of risk aversion.

Keywords: Uncertainty; Portfolio choice; Risk (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-upt
Date: 2014-09
Note: View the original document on HAL open archive server: https://halshs.archives-ouvertes.fr/halshs-01109655
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Published in 2014

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Related works:
Working Paper: Ambiguity Preferences and Portfolio Choices: Evidence from the Field (2019)
Working Paper: Ambiguity Preferences and Portfolio Choices: Evidence from the Field (2017)
Working Paper: Ambiguity Preferences and Portfolio Choices: Evidence from the Field (2017) Downloads
Working Paper: Ambiguity Preferences and Portfolio Choices: Evidence from the Field (2014) Downloads
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