A Model of a Systemic Bank Run
AbstractThe 2008 financial crisis is reminiscent of a bank run, but not quite. In particular, it is financial institutions withdrawing deposits from some core financial institutions, rather than depositors running on their local bank. These core financial institutions have invested the funds in asset-backed securities rather than committed to long-term projects. These securities can potentially be sold to a large pool of outside investors. The question arises, why these investors require steep discounts to do so. I therefore set out to provide a model of a systemic bank run delivering six stylized key features of this crisis. I consider two different motives for outside investors and their interaction with banks trading asset-backed securities: uncertainty aversion versus adverse selection. I shall argue that the version with uncertainty averse investors is more consistent with the stylized facts than the adverse selection perspective: in the former, the crisis deepens, the larger the market share of distressed core banks, while a run becomes less likely instead as a result in the adverse selection version. I conclude from that that the variant with uncertainty averse investors is more suitable to analyze policy implications. This paper therefore provides a model, in which the outright purchase of troubled assets by the government at prices above current market prices may both alleviate the financial crises as well as provide tax payers with returns above those for safe securities.
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Bibliographic InfoPaper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 15072.
Date of creation: Jun 2009
Date of revision:
Publication status: published as Uhlig, Harald, 2010. "A model of a systemic bank run," Journal of Monetary Economics, Elsevier, vol. 57(1), pages 78-96, January.
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Other versions of this item:
- E44 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - Financial Markets and the Macroeconomy
- G21 - Financial Economics - - Financial Institutions and Services - - - Banks; Other Depository Institutions; Micro Finance Institutions; Mortgages
- G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation
This paper has been announced in the following NEP Reports:
- NEP-ALL-2009-06-17 (All new papers)
- NEP-BAN-2009-06-17 (Banking)
- NEP-CBA-2009-06-17 (Central Banking)
- NEP-DGE-2009-06-17 (Dynamic General Equilibrium)
- NEP-MAC-2009-06-17 (Macroeconomics)
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Blog mentionsAs found by EconAcademics.org, the blog aggregator for Economics research:
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by Economic Logician in Economic Logic on 2010-05-28 15:10:00
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by Miguel in Simoleon Sense on 2010-05-30 22:24:05
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