Anything is Possible: On the Existence and Uniqueness of Equilibria in the Shleifer-Vishny Model of Limits of Arbitrage
AbstractThis paper characterizes equilibria in the Shleifer-Vishny model of limits of arbitrage. To prove existence, one has to consider types of equilibria ignored by Shleifer and Vishny, even if one adopts their parameter restrictions. For example, the only equilibrium may be one in which maximization of expected wealth requires an "all-or-nothing" investment strategy, with intermediate investment levels being strictly unprofitable. If one goes beyond Shleifer and Vishny's parameter restrictions, multiple equilibria may arise, and equilibrium selection may be governed by sunspots. Moreover, there may exist an equilibrium in which the asset price returns to fundamentals despite worsening noise trader sentiment. Copyright 2009, Oxford University Press.
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Bibliographic InfoArticle provided by European Finance Association in its journal Review of Finance.
Volume (Year): 13 (2009)
Issue (Month): 3 ()
Other versions of this item:
- Arnold, Lutz G., 2006. "Anything is Possible: On the Existence and Uniqueness of Equilibria in the Shleifer-Vishny Model of Limits of Arbitrage," University of Regensburg Working Papers in Business, Economics and Management Information Systems 418, University of Regensburg, Department of Economics.
- Arnold, Lutz G., 2009. "Anything is Possible: On the Existence and Uniqueness of Equilibria in the Shleifer-Vishny Model of Limits of Arbitrage," University of Regensburg Working Papers in Business, Economics and Management Information Systems 13, University of Regensburg, Department of Economics.
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