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Pricing credit derivatives

Banerjee, Tamal and Ghosh, Mrinal K and Iyer, Srikanth K (2012) Pricing credit derivatives. In: CURRENT SCIENCE, 103 (6). pp. 657-665.

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Official URL: http://www.currentscience.ac.in/php/toc.php?vol=10...

Abstract

The financial crisis set off by the default of Lehman Brothers in 2008 leading to disastrous consequences for the global economy has focused attention on regulation and pricing issues related to credit derivatives. Credit risk refers to the potential losses that can arise due to the changes in the credit quality of financial instruments. These changes could be due to changes in the ratings, market price (spread) or default on contractual obligations. Credit derivatives are financial instruments designed to mitigate the adverse impact that may arise due to credit risks. However, they also allow the investors to take up purely speculative positions. In this article we provide a succinct introduction to the notions of credit risk, the credit derivatives market and describe some of the important credit derivative products. There are two approaches to pricing credit derivatives, namely the structural and the reduced form or intensity-based models. A crucial aspect of the modelling that we touch upon briefly in this article is the problem of calibration of these models. We hope to convey through this article the challenges that are inherent in credit risk modelling, the elegant mathematics and concepts that underlie some of the models and the importance of understanding the limitations of the models.

Item Type: Editorials/Short Communications
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Additional Information: Copyright for this article belongs to the Indian Academy of Sciences
Keywords: Credit risk; default probability; structural approach; reduced form approach; incomplete information
Department/Centre: Division of Physical & Mathematical Sciences > Mathematics
Date Deposited: 11 Feb 2013 11:37
Last Modified: 11 Feb 2013 11:37
URI: http://eprints.iisc.ernet.in/id/eprint/45346

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