Financial Connections and Systemic Risk
An important source of systemic risk is overlapping portfolio exposures among financial institutions. We develop a model where institutions form connections through swaps of projects in order to diversify their individual risk. These connections lead to two different network structures. In a clustered network groups of financial institutions within a cluster hold identical portfolios. Defaults occur together but the number of states where this happens is small. In an unclustered network defaults are more dispersed but they occur in more states. With long term finance there is no difference between the two structures in terms of total defaults and welfare. In contrast, when short term finance is used, the network structure matters. Upon the arrival of a signal about banks' future defaults, investors update their expectations of the ability of financial institutions to repay them. If their updated expectations are low, they do not to roll over the debt and there is systemic risk in that all institutions are early liquidated. We compare the clustered and unclustered networks and analyze which is better in welfare terms.
|Date of creation:||2010|
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- Richard J. Herring & Susan Wachter, 1999. "Real Estate Booms and Banking Busts: An International Perspective," Center for Financial Institutions Working Papers 99-27, Wharton School Center for Financial Institutions, University of Pennsylvania.
- Matthew O. Jackson & Asher Wolinsky, 1994.
"A Strategic Model of Social and Economic Networks,"
1098, Northwestern University, Center for Mathematical Studies in Economics and Management Science.
- Monica Billio & Mila Getmansky & Andrew W. Lo & Loriana Pelizzon, 2010.
"Econometric Measures of Systemic Risk in the Finance and Insurance Sectors,"
in: Market Institutions and Financial Market Risk
National Bureau of Economic Research, Inc.
- Monica Billio & Mila Getmansky & Andrew W. Lo & Loriana Pelizzon, 2010. "Econometric Measures of Systemic Risk in the Finance and Insurance Sectors," NBER Working Papers 16223, National Bureau of Economic Research, Inc.
- Castiglionesi, F. & Navarro, N., 2007. "Optimal Fragile Financial Networks," Discussion Paper 2007-100, Tilburg University, Center for Economic Research.
- Xavier Freixas & Bruno Parigi & Jean Charles Rochet, 1998.
"Systemic risk, interbank relations and liquidity provision by the Central Bank,"
Economics Working Papers
440, Department of Economics and Business, Universitat Pompeu Fabra, revised Sep 1999.
- Freixas, Xavier & Parigi, Bruno M & Rochet, Jean-Charles, 2000. "Systemic Risk, Interbank Relations, and Liquidity Provision by the Central Bank," Journal of Money, Credit and Banking, Blackwell Publishing, vol. 32(3), pages 611-38, August.
- Xavier Freixas & Bruno Parigi & Jean-Charles Rochet, 2000. "Systemic risk, interbank relations, and liquidity provision by the central bank," Proceedings, Federal Reserve Bank of Cleveland, pages 611-640.
- Freixas, Xavier & Parigi, Bruno & Rochet, Jean-Charles, 1999. "Systemic Risk, Interbank Relations and Liquidity Provision by the Central Bank," CEPR Discussion Papers 2325, C.E.P.R. Discussion Papers.
- X. Freixas & B. Parigi & J-C. Rochet, 2000. "Systemic Risk, Interbank Relations and Liquidity Provision by theCentral Bank," DNB Staff Reports (discontinued) 47, Netherlands Central Bank.
- Franklin Allen & Ana Babus & Elena Carletti, 2009. "Financial Crises: Theory and Evidence," Annual Review of Financial Economics, Annual Reviews, vol. 1(1), pages 97-116, November.
- Acharya, Viral V & Gale, Douglas M & Yorulmazer, Tanju, 2009.
"Rollover Risk and Market Freezes,"
CEPR Discussion Papers
7122, C.E.P.R. Discussion Papers.
- Douglas W. Diamond & Raghuram G. Rajan, 1999.
"Liquidity Risk, Liquidity Creation and Financial Fragility: A Theory of Banking,"
NBER Working Papers
7430, National Bureau of Economic Research, Inc.
- Douglas W. Diamond & Raghuram G. Rajan, 2001. "Liquidity Risk, Liquidity Creation, and Financial Fragility: A Theory of Banking," Journal of Political Economy, University of Chicago Press, vol. 109(2), pages 287-327, April.
- Douglas W. Diamond & Raghuram G. Rajan, 1998. "Liquidity risk, liquidity creation and financial fragility: a theory of banking," Proceedings, Federal Reserve Bank of San Francisco, issue Sep.
- Douglas W. Diamond & Raghuram G. Rajan, . "Liquidity Risk, Liquidity Creation and Financial Fragility: A Theory of Banking," CRSP working papers 476, Center for Research in Security Prices, Graduate School of Business, University of Chicago.
- Carmen M. Reinhart & Kenneth S. Rogoff, 2009.
"This Time Is Different: Eight Centuries of Financial Folly,"
Princeton University Press,
edition 1, number 8973, 01-2013.
- Carmen M. Reinhart & Kenneth S. Rogoff, 2009.
"Varieties of Crises and Their Dates
[This Time Is Different: Eight Centuries of Financial Folly]," Introductory Chapters, Princeton University Press.
- Carmen M. Reinhart & Kenneth S. Rogoff, 2009. "Varieties of Crises and Their Dates
- Boyson, Nicole M. & Stahel, Christof W. & Stulz, Rene, 2008.
"Hedge Fund Contagion and Liquidity,"
Working Paper Series
2008-8, Ohio State University, Charles A. Dice Center for Research in Financial Economics.
- Douglas W. Diamond, 1991. "Debt Maturity Structure and Liquidity Risk," The Quarterly Journal of Economics, Oxford University Press, vol. 106(3), pages 709-737.
- Flannery, Mark J, 1986. " Asymmetric Information and Risky Debt Maturity Choice," Journal of Finance, American Finance Association, vol. 41(1), pages 19-37, March.
- Wagner, Wolf, 2010.
"Diversification at financial institutions and systemic crises,"
Journal of Financial Intermediation,
Elsevier, vol. 19(3), pages 373-386, July.
- Wagner, W.B., 2006. "Diversification at Financial Institutions and Systemic Crises," Discussion Paper 2006-71, Tilburg University, Center for Economic Research.
- Reinhart, Carmen & Rogoff, Kenneth, 2009. "This Time It’s Different: Eight Centuries of Financial Folly-Preface," MPRA Paper 17451, University Library of Munich, Germany.
- Reinhart, Carmen & Rogoff, Kenneth, 2009. "This Time It’s Different: Eight Centuries of Financial Folly-Chapter 1," MPRA Paper 17452, University Library of Munich, Germany.
- Calomiris, Charles W & Kahn, Charles M, 1991. "The Role of Demandable Debt in Structuring Optimal Banking Arrangements," American Economic Review, American Economic Association, vol. 81(3), pages 497-513, June.
- Douglas W Diamond, 2010.
"Fear of fire sales and the credit freeze,"
BIS Working Papers
305, Bank for International Settlements.
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