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Credit gap risk in a first passage time model with jumps

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  • Packham, Natalie
  • Schlögl, Lutz
  • Schmidt, Wolfgang M.

Abstract

The payoff of many credit derivatives depends on the level of credit spreads. In particular, credit derivatives with a leverage component are subject to gap risk, a risk associated with the occurrence of jumps in the underlying credit default swaps. In the framework of first passage time models, we consider a model that addresses these issues. The principal idea is to model a credit quality process as an Itô integral with respect to a Brownian motion with a stochastic volatility. Using a representation of the credit quality process as a time-changed Brownian motion, one can derive formulas for conditional default probabilities and credit spreads. An example for a volatility process is the square root of a Lévy-driven Ornstein-Uhlenbeck process. The model can be implemented efficiently using a technique called Panjer recursion. Calibration to a wide range of dynamics is supported. We illustrate the effectiveness of the model by valuing a leveraged credit-linked note. --

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Bibliographic Info

Paper provided by Frankfurt School of Finance and Management, Centre for Practical Quantitative Finance (CPQF) in its series CPQF Working Paper Series with number 22.

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Date of creation: 2009
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Handle: RePEc:zbw:cpqfwp:22

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Keywords: gap risk; credit spreads; credit dynamics; first passage time models; stochastic volatility; general Ornstein-Uhlenbeck processes;

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  1. Bannier, Christina E. & Hänsel, Dennis N., 2007. "Determinants of banks' engagement in loan securitization," Frankfurt School - Working Paper Series 85, Frankfurt School of Finance and Management.
  2. Ansgar Belke & Thorsten Polleit, 2005. "(How) Do Stock Market Returns React to Monetary Policy? - An ARDL Cointegration Analysis for Germany," Diskussionspapiere aus dem Institut für Volkswirtschaftslehre der Universität Hohenheim 253/2005, Department of Economics, University of Hohenheim, Germany.
  3. Hirsch, Christian & Bannier, Christina E., 2007. "The economics of rating watchlists: Evidence from rating changes," CFS Working Paper Series 2008/02, Center for Financial Studies (CFS).
  4. Das, Sanjiv R., 2002. "The surprise element: jumps in interest rates," Journal of Econometrics, Elsevier, vol. 106(1), pages 27-65, January.
  5. Bannier, Christina E. & Behr, Patrick & Güttler, André, 2009. "Rating opaque borrowers: why are unsolicited ratings lower?," Frankfurt School - Working Paper Series 133, Frankfurt School of Finance and Management.
  6. Roßbach, Peter, 2009. "Die Rolle des Internets als Informationsbeschaffungsmedium in Banken," Frankfurt School - Working Paper Series 120, Frankfurt School of Finance and Management.
  7. Bannier, Christina E., 2009. "Is there a hold-up benefit in heterogeneous multiple bank financing?," Frankfurt School - Working Paper Series 117, Frankfurt School of Finance and Management.
  8. Duffie, Darrell & Lando, David, 2001. "Term Structures of Credit Spreads with Incomplete Accounting Information," Econometrica, Econometric Society, vol. 69(3), pages 633-64, May.
  9. Roßbach, Peter & Gießamer, Dirk, 2009. "Ein eLearning-System zur Unterstützung der Wissensvermittlung von Web-Entwicklern in Sicherheitsthemen," Frankfurt School - Working Paper Series 116, Frankfurt School of Finance and Management.
  10. Hankir, Yassin & Rauch, Christian & Umber, Marc P., 2009. "It's the market power, stupid! Stock return patterns in international bank M&A," Frankfurt School - Working Paper Series 129, Frankfurt School of Finance and Management.
  11. Ansgar Belke & Thorsten Polleit, 2007. "How the ECB and the US Fed set interest rates," Applied Economics, Taylor & Francis Journals, vol. 39(17), pages 2197-2209.
  12. Wollersheim, Jutta & Barthel, Erich, 2008. "Kulturunterschiede bei Mergers & Acquisitions: Entwicklung eines Konzeptes zur Durchführung einer Cultural Due Diligence," Frankfurt School - Working Paper Series 94, Frankfurt School of Finance and Management.
  13. Bannier, Christina E. & Hirsch, Christian W., 2010. "The economic function of credit rating agencies - What does the watchlist tell us?," Journal of Banking & Finance, Elsevier, vol. 34(12), pages 3037-3049, December.
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Cited by:
  1. Inklaar, Robert & Koetter, Michael & Noth, Felix, 2012. "Who's afraid of big bad banks? Bank competition, SME, and industry growth," Frankfurt School - Working Paper Series 197, Frankfurt School of Finance and Management.
  2. Libman, Alexander & Kozlov, Vladimir & Schultz, André, 2012. "Roving bandits in action: Outside option and governmental predation in autocracies," Frankfurt School - Working Paper Series 190, Frankfurt School of Finance and Management.
  3. Kostka, Genia & Moslener, Ulf & Andreas, Jan G., 2011. "Barriers to energy efficiency improvement: Empirical evidence from small-and-medium sized enterprises in China," Frankfurt School - Working Paper Series 178, Frankfurt School of Finance and Management.
  4. Dietmar Harhoff & Elisabeth Mueller & John Van Reenen, 2013. "What are the channels for technology sourcing? Panel data evidence from German companies," LSE Research Online Documents on Economics 51524, London School of Economics and Political Science, LSE Library.
  5. Boeing, Philipp & Mueller, Elisabeth & Sandner, Philipp, 2012. "What makes Chinese firms productive? Learning from indigenous and foreign sources of knowledge," Frankfurt School - Working Paper Series 196, Frankfurt School of Finance and Management.
  6. Harhoff, Dietmar, 2012. "What are the Channels for Technology Sourcing? Panel Data Evidence from German Companies," Discussion Papers in Business Administration 14327, University of Munich, Munich School of Management.
  7. Böing, Philipp & Müller, Elisabeth, 2012. "Technological Capabilities of Chinese Enterprises: Who is Going to Compete Abroad?," Annual Conference 2012 (Goettingen): New Approaches and Challenges for the Labor Market of the 21st Century 62081, Verein für Socialpolitik / German Economic Association.

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