Suspension in a Global-Games version of the Diamond-Dybvig model

Pidong Huang ()

MPRA Paper from University Library of Munich, Germany

Abstract: This work builds on the model in Goldstein and Pauzner (GP) (2005), a global-games version of the Diamond-Dybvig (DD) (1983) model in which there is uncertainty about the long-term return and in which agents observe noisy signals about that return. GP limited their investigation to a banking contract that makes a noncontingent promised payoff to those who withdraw early until the bank's resources are exhausted. We amend the contract and permit suspension. As we show, there is a class of suspension policies that gives rise to uniqueness without requiring the new assumption introduced in a proof in GP; namely, the short-term return is also random. In general, both the GP policy and my generalization of it to allow suspension seem not to be the best banking contracts. However, if the return uncertainty is sufficiently small, then there are policies in the class we study that imply ex ante welfare close to the first-best outcome in DD, which itself is an upper bound on welfare in the model with return uncertainty.

Keywords: Bank; run:; Global; Game (search for similar items in EconPapers)
JEL-codes: G21 (search for similar items in EconPapers)
Date: 2013-04-29
New Economics Papers: this item is included in nep-ban and nep-cta
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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