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Discussion Paper Details

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Title: Asset Commonality, Debt Maturity and Systemic Risk

Author(s): Franklin Allen, Ana Babus and Elena Carletti

Publication Date: July 2011

Keyword(s): interim information, rollover risk. and Short-term debt

Programme Area(s): Financial Economics

Abstract: We develop a model in which asset commonality and short-term debt of banks interact to generate excessive systemic risk. Banks swap assets to diversify their individual risk. Two asset structures arise. In a clustered structure, groups of banks hold common asset portfolios and default together. In an unclustered structure, defaults are more dispersed. Portfolio quality of individual banks is opaque but can be inferred by creditors from aggregate signals about bank solvency. When bank debt is short-term, creditors do not roll over in response to adverse signals and all banks are inefficiently liquidated. This information contagion is more likely under clustered asset structures. In contrast, when bank debt is long-term, welfare is the same under both asset structures.

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Bibliographic Reference

Allen, F, Babus, A and Carletti, E. 2011. 'Asset Commonality, Debt Maturity and Systemic Risk'. London, Centre for Economic Policy Research. https://cepr.org/active/publications/discussion_papers/dp.php?dpno=8476