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On Booms That Never Bust: Ambiguity in Experimental Asset Markets with Bubbles

Brice Corgnet (), Roberto Hernán-González and Praveen Kujal ()
Additional contact information
Roberto Hernán-González: Univ. Bourgogne Franche Comté, Burgundy School of Business-CEREN (EA 7477), 29 rue Sambin, 21000 Dijon, France

Authors registered in the RePEc Author Service: Roberto Hernán González ()

No 1825, Working Papers from Groupe d'Analyse et de Théorie Economique Lyon St-Étienne (GATE Lyon St-Étienne), Université de Lyon

Abstract: We study the effect of ambiguity on the formation of bubbles and on the occurrence of crashes in experimental asset markets à la Smith, Suchanek, and Williams (1988). We extend their framework to an environment where the fundamental value of the asset is ambiguous. We show that, when the fundamental value is ambiguous, asset prices tend to be lower than when it is risky although bubbles form in both the ambiguous and the risky environments. Additionally, bubbles do not crash in the ambiguous case whereas they do so in the risky one. These findings regarding depressed prices and the absence of crashes in the presence of ambiguity are in line with recent theoretical work stressing the crucial role of ambiguity to account for surprisingly low equity prices (high returns) as well as herding in asset markets.

Keywords: Experimental asset markets; bubbles; ambiguity (search for similar items in EconPapers)
JEL-codes: C92 D84 G14 G41 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-exp
Date: 2018
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Working Paper: On Booms That Never Bust: Ambiguity in Experimental Asset Markets with Bubbles (2018) Downloads
Working Paper: On Booms That Never Bust: Ambiguity in Experimental Asset Markets with Bubbles (2018) Downloads
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Persistent link: https://EconPapers.repec.org/RePEc:gat:wpaper:1825

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