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Equilibrium Pricing and Trading Volume under Preference Uncertainty

Abstract : Information collection and processing in financial institutions is challenging. This can delay the observation by traders of the exact capital charges and constraints of their institution. During this delay, traders face preference uncertainty. In this context, we study optimal trading strategies and equilibrium prices in a continuous centralized market. We focus on liquidity shocks, during which preference uncertainty is likely to matter most. Preference uncertainty generates allocative inefficiency, but need not reduce prices. Progressively learning about preferences generate round–trip trades, which increase volume relative to the frictionless market. In a cross section of liquidity shocks, the initial price drop is positively correlated with total trading volume. Across traders, the number of round–trips is negatively correlated with trading profits and average inventory.
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https://hal-hec.archives-ouvertes.fr/hal-01097584
Contributor : Antoine Haldemann <>
Submitted on : Friday, December 19, 2014 - 11:28:47 PM
Last modification on : Tuesday, March 17, 2020 - 2:56:40 AM

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Bruno Biais, Johan Hombert, Pierre-Olivier Weill. Equilibrium Pricing and Trading Volume under Preference Uncertainty. Review of Economic Studies, 2014, 81 (4), pp.1401-1437. ⟨10.1093/restud/rdu008⟩. ⟨hal-01097584⟩

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