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Long run credit risk diversification: empirical decomposition of corporate bond spreads

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Listed:
  • Sun, David
  • Lin, William T.
  • Nieh, Chien-Chung

Abstract

Following the reduced-form models of Duffee (1999) and Jarrow, Lando and Yu (2003), this study investigates the risk diversification issue of corporate bond portfolios. Considering especially long run market behavior, our empirical decomposition of corporate bond yield spreads indicates that the idiosyncratic component serves as a good vehicle for risk diversification. Moreover, the diosyncratic spread provides significant inferences about observed conditional corporate bond default rate, while full spread does not. Applying an affine model from Duffie and Singleton (1999), we find that the idiosyncratic credit spreads do not respond empirically to Treasury yields, unlike what is suggested in the structural model of Longstaff and Schwartz (1995) and literatures that follow. Systematic credit spreads are however positively related to Treasury yields in the long-run, but negatively so in the short run, suggesting the validity of both the tax and the option hypotheses. A long-run and optimal decomposition scheme yields an idiosyncratic credit spread measure at a median of 60 b.p. for the Baa index and is specifically compatible with Duffee’s model. It is insensitive to interest rate in the short-run, but would rise slightly with a positive shock in the long run at a rate of one to a hundred. Our findings in the study contribute to the risk practice of bond portfolio diversification.

Suggested Citation

  • Sun, David & Lin, William T. & Nieh, Chien-Chung, 2007. "Long run credit risk diversification: empirical decomposition of corporate bond spreads," MPRA Paper 37283, University Library of Munich, Germany, revised Jul 2008.
  • Handle: RePEc:pra:mprapa:37283
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    File URL: https://mpra.ub.uni-muenchen.de/37283/1/MPRA_paper_37283.pdf
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    References listed on IDEAS

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    1. Jarrow, Robert A. & Turnbull, Stuart M., 2000. "The intersection of market and credit risk," Journal of Banking & Finance, Elsevier, vol. 24(1-2), pages 271-299, January.
    2. Duffee, Gregory R, 1999. "Estimating the Price of Default Risk," Review of Financial Studies, Society for Financial Studies, vol. 12(1), pages 197-226.
    3. Jun Liu & Francis A. Longstaff & Ravit E. Mandell, 2006. "The Market Price of Risk in Interest Rate Swaps: The Roles of Default and Liquidity Risks," The Journal of Business, University of Chicago Press, vol. 79(5), pages 2337-2360, September.
    4. Johansen, Soren & Juselius, Katarina, 1990. "Maximum Likelihood Estimation and Inference on Cointegration--With Applications to the Demand for Money," Oxford Bulletin of Economics and Statistics, Department of Economics, University of Oxford, vol. 52(2), pages 169-210, May.
    5. Saunders, Anthony & Srinivasan, Anand & Walter, Ingo, 2002. "Price formation in the OTC corporate bond markets: a field study of the inter-dealer market," Journal of Economics and Business, Elsevier, vol. 54(1), pages 95-113.
    6. Duffie, Darrell & Singleton, Kenneth J, 1999. "Modeling Term Structures of Defaultable Bonds," Review of Financial Studies, Society for Financial Studies, vol. 12(4), pages 687-720.
    7. Robert A. Jarrow & David Lando & Fan Yu, 2008. "Default Risk And Diversification: Theory And Empirical Implications," World Scientific Book Chapters,in: Financial Derivatives Pricing Selected Works of Robert Jarrow, chapter 19, pages 455-480 World Scientific Publishing Co. Pte. Ltd..
    8. Robert A. Jarrow & Stuart M. Turnbull, 2008. "Pricing Derivatives on Financial Securities Subject to Credit Risk," World Scientific Book Chapters,in: Financial Derivatives Pricing Selected Works of Robert Jarrow, chapter 17, pages 377-409 World Scientific Publishing Co. Pte. Ltd..
    9. Merton, Robert C, 1974. "On the Pricing of Corporate Debt: The Risk Structure of Interest Rates," Journal of Finance, American Finance Association, vol. 29(2), pages 449-470, May.
    10. Longstaff, Francis A & Schwartz, Eduardo S, 1995. " A Simple Approach to Valuing Risky Fixed and Floating Rate Debt," Journal of Finance, American Finance Association, vol. 50(3), pages 789-819, July.
    11. Barnhill Jr., Theodore M. & Joutz, Frederick L. & Maxwell, William F., 2000. "Factors affecting the yields on noninvestment grade bond indices: a cointegration analysis," Journal of Empirical Finance, Elsevier, vol. 7(1), pages 57-86, May.
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    15. Thomas C. Wilson, 1998. "Portfolio credit risk," Economic Policy Review, Federal Reserve Bank of New York, issue Oct, pages 71-82.
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    Cited by:

    1. Sun, David & Tsai, Shih-Chuan, 2013. "Diversifying Risks in Bond Portfolios: A Cross-border Approach," MPRA Paper 44767, University Library of Munich, Germany, revised 09 Jan 2014.

    More about this item

    Keywords

    bond pricing; cointegration; credit risk; credit spread; diversifiable risk;

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • G13 - Financial Economics - - General Financial Markets - - - Contingent Pricing; Futures Pricing
    • E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
    • G33 - Financial Economics - - Corporate Finance and Governance - - - Bankruptcy; Liquidation

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