An Empirical Investigation in Credit Spread Indices
AbstractWe study the dynamics of the spread between US corporate and Treasury bonds. We focus on Aaa and Baa corporate yield indices and estimate nonparametrically the dynamics of the spreads assuming that they follow a univariate diffusion process. Using technique developed for interest rate processes we try to infer from the data what acceptable process can be used to model aggregate credit spreads for option pricing or risk management purposes. We find that there is significant evidence of mean reversion especially for higher rated spreads and that the volatility of Aaa spreads exhibit a U-shape while the volatility of Baa spreads is monotonically increasing in the level of spreads. Based on these observations and on the evidence of jumps in the series, we propose a new model for credit spread indices (an Ornstein-Uhlenback with jumps) and estimate it by maximum likelihood
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Bibliographic InfoPaper provided by Financial Markets Group in its series FMG Discussion Papers with number dp363.
Date of creation: Nov 2000
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Web page: http://www.lse.ac.uk/fmg/
Other versions of this item:
- Jean -Luc Prigent & Olivier Renault & Olivier Scaillet, 2000. "An Empirical Investigation in Credit Spread Indices," Working Papers 2000-59, Centre de Recherche en Economie et Statistique.
- Prigent, J.-L. & Renault, O. & Scaillet, O., 2000. "An Empirical Investigation in Credit Spread Indices," Discussion Papers (IRES - Institut de Recherches Economiques et Sociales) 2000028, Université catholique de Louvain, Institut de Recherches Economiques et Sociales (IRES).
- C14 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - Semiparametric and Nonparametric Methods: General
- C22 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models &bull Diffusion Processes
- E40 - Macroeconomics and Monetary Economics - - Money and Interest Rates - - - General
- G20 - Financial Economics - - Financial Institutions and Services - - - General
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- Carl Chiarella & Christina Nikitopoulos Sklibosios & Erik Schlögl, 2007.
"A Markovian Defaultable Term Structure Model With State Dependent Volatilities,"
International Journal of Theoretical and Applied Finance (IJTAF),
World Scientific Publishing Co. Pte. Ltd., vol. 10(01), pages 155-202.
- Carl Chiarella & Erik Schlögl & Christina Nikitopoulos-Sklibosios, 2004. "A Markovian Defaultable Term Structure Model with State Dependent Volatilities," Research Paper Series 135, Quantitative Finance Research Centre, University of Technology, Sydney.
- Christina Nikitopoulos-Sklibosios, 2005. "A Class of Markovian Models for the Term Structure of Interest Rates Under Jump-Diffusions," PhD Thesis, Finance Discipline Group, UTS Business School, University of Technology, Sydney, number 6.
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