Heath-Jarrow-Morton Type Models

  • Tomasz R. Bielecki
  • Marek Rutkowski
Part of the Springer Finance book series (FINANCE)


In the context of the modeling of the defaultable term structure, the HJM methodology was first examined by Jarrow and Turnbull (1995) and Duffie and Singleton (1999). Their studies were undertaken by Schönbucher (1996, 1998a), who has studied in a systematic way various forms of the no-arbitrage condition between the default-free and defaultable term structures. More recently, some of these results were re-discovered by Maksymiuk and Gątarek (1999) and Pugachevsky (1999), who focused on the arbitrage-free dynamics under the spot martingale measure of the instantaneous forward credit spreads. Subsequently, the HJM methodology was extended by Bielecki and Rutkowski (1999, 2000a, 2000b) and Schönbucher (2000a) to cover the cases of term structure models with multiple ratings for corporate bonds. Eberlein and Õzkan (2001) generalize this approach by considering models driven by Lévy motions (for related results, also see Eberlein and Raible (1999) and Eberlein (2001)). In contrast with models presented in the previous chapter, the credit migration process is not exogenously specified, but it is endogenous in a model. It follows a conditionally Markov process with respect to a reference filtration under the spot (or forward) martingale measure.


Credit Risk Term Structure Martingale Measure Corporate Bond Credit Spread 
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Copyright information

© Springer-Verlag Berlin Heidelberg 2004

Authors and Affiliations

  • Tomasz R. Bielecki
    • 1
  • Marek Rutkowski
    • 2
  1. 1.Applied Mathematics DepartmentIllinois Institute of TechnologyChicagoUSA
  2. 2.Faculty of Mathematics and Information SciencePolitechnika WarszawskaWarszawaPoland

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