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Risk Transfer with CDOs and Systemic Risk in Banking

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  • Krahnen, Jan Pieter
  • Wilde, Christian

Abstract

Large banks often sell part of their loan portfolio in the form of collateralized debt obligations (CDO) to investors. In this paper we raise the question whether credit asset securitization affects the cyclicality (or commonality) of bank equity values. The commonality of bank equity values reflects a major component of systemic risks in the banking market, caused by correlated defaults of loans in the banks' loan books. Our simulations take into account the major stylized fact of CDO\ transactions, the non-proportional nature of risk sharing that goes along with tranching. We provide a theoretical framework for the risk transfer through securitization that builds on a macro risk factor and an idiosyncratic risk factor, allowing an identification of the types of risk that the individual tranche holders bear. This allows conclusions about the risk positions of issuing banks after risk transfer. Building on the strict subordination of tranches, we first evaluate the correlation properties both within and across risk classes. We then determine the effect of securitization on the systematic risk of all tranches, and derive its effect on the issuing bank's equity beta. The simulation results show that under plausible assumptions concerning bank reinvestment behavior and capital structure choice, the issuing intermediary's systematic risk tends to rise. We discuss the implications of our findings for financial stability supervision.

Suggested Citation

  • Krahnen, Jan Pieter & Wilde, Christian, 2006. "Risk Transfer with CDOs and Systemic Risk in Banking," CEPR Discussion Papers 5618, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:5618
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    References listed on IDEAS

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    1. Torben G. Andersen & Tim Bollerslev & Peter Christoffersen & Francis X. Diebold, 2007. "Practical Volatility and Correlation Modeling for Financial Market Risk Management," NBER Chapters,in: The Risks of Financial Institutions, pages 513-548 National Bureau of Economic Research, Inc.
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    6. Mark Carey & René M. Stulz, 2007. "The Risks of Financial Institutions," NBER Books, National Bureau of Economic Research, Inc, number care06-1, July.
    7. Rosenberg, Joshua V. & Schuermann, Til, 2006. "A general approach to integrated risk management with skewed, fat-tailed risks," Journal of Financial Economics, Elsevier, vol. 79(3), pages 569-614, March.
    8. Peter M. DeMarzo, 2005. "The Pooling and Tranching of Securities: A Model of Informed Intermediation," Review of Financial Studies, Society for Financial Studies, vol. 18(1), pages 1-35.
    9. G.G. Kaufman, 2000. "Banking and Currency Crises and Systemic Risk: A Taxonomy and Review," DNB Staff Reports (discontinued) 48, Netherlands Central Bank.
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    Citations

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    Cited by:

    1. Scholz, Julia, 2009. "Collateralized Debt Obligations: Anreizprobleme im Rahmen des Managements von CDOs," Discussion Papers in Business Administration 11002, University of Munich, Munich School of Management.
    2. Ingo Fender & Janet Mitchell, 2009. "Incentives and tranche retention in securitisation: a screening model," BIS Working Papers 289, Bank for International Settlements.
    3. Deming Wu & Jiawen Yang & Han Hong, 2011. "Securitization and Banks’ Equity Risk," Journal of Financial Services Research, Springer;Western Finance Association, vol. 39(3), pages 95-117, June.
    4. Ongena, Steven & Kara, Alper & Marqués-Ibáñez, David, 2011. "Securitization and lending standards: evidence from the wholesale loan market," Working Paper Series 1362, European Central Bank.
    5. González, Luís Otero & Rodríguez Gil, Luís Ignacio & Martorell Cunill, Onofre & Merigó Lindahl, José M., 2016. "The effect of financial innovation on European banks' risk," Journal of Business Research, Elsevier, vol. 69(11), pages 4781-4786.
    6. W. Scott Frame & Lawrence J. White, 2009. "Technological Change, Financial Innovation, and Diffusion in Banking," Working Papers 09-03, New York University, Leonard N. Stern School of Business, Department of Economics.
    7. Battaglia, Francesca & Gallo, Angela, 2013. "Securitization and systemic risk: An empirical investigation on Italian banks over the financial crisis," International Review of Financial Analysis, Elsevier, vol. 30(C), pages 274-286.
    8. Di Cesare, Antonio, 2009. "Securitization and Bank Stability," MPRA Paper 16831, University Library of Munich, Germany.
    9. López-Penabad, Mª Celia & López-Andión, Carmen & Iglesias-Casal, Ana & Maside-Sanfiz, Jose Manuel, 2015. "Securitization in Spain and the wealth effect for shareholders," International Review of Economics & Finance, Elsevier, vol. 37(C), pages 308-323.
    10. Calice, Giovanni, 2011. "The Impact of Collateral Policies on Sovereign CDS Spreads," ECMI Papers 12234, Centre for European Policy Studies.
    11. Lin, Justin Yifu & Treichel, Volker, 2012. "The crisis in the Euro zone : did the euro contribute to the evolution of the crisis ?," Policy Research Working Paper Series 6127, The World Bank.
    12. Carbó-Valverde, Santiago & Marques-Ibanez, David & Rodríguez-Fernández, Francisco, 2012. "Securitization, risk-transferring and financial instability: The case of Spain," Journal of International Money and Finance, Elsevier, vol. 31(1), pages 80-101.
    13. Hallak, Issam, 2009. "Renegotiation and the pricing structure of sovereign bank loans: Empirical evidence," Journal of Financial Stability, Elsevier, vol. 5(1), pages 89-103, January.

    More about this item

    Keywords

    risk transfer; systematic risk; systemic risk;

    JEL classification:

    • G28 - Financial Economics - - Financial Institutions and Services - - - Government Policy and Regulation

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