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Research Seminars & Workshops @ IRES


Professor Nancy E. Wallace
Haas School of Business, University of California, Berkeley

The Bear’s Lair:
Indexed Credit Default Swaps and the Subprime Mortgage Crisis


Date:

16 November 2009

Time:

10.00 am

Venue:

TLIAP Executive Learning Center


Abstract

ABX.HE indexed credit default swaps on baskets of mortgage-backed securities are now the main benchmark used by financial institutions to mark their subprime mortgage portfolios to market. However, we find that current prices for the ABX.HE indices are inconsistent with any reasonable assumption for mortgage default rates, and that ABX.HE price changes are only very weakly correlated with observed changes in the credit performance of the underlying loans in the index. These results cast serious doubt on the suitability of the ABX.HE indices as valuation benchmarks. We also find that ABX.HE price changes are related to short-sale activity for publicly traded builders, the commercial banks, the investment banks and the government sponsored enterprises (GSEs). This suggests that capital constraints, limiting the supply of ABS insurance, may be playing a role here similar to that identified by Froot (2001) in the market for catastrophe insurance.

For full paper, download herehttp://www.rst.nus.edu.sg/research/images/pdf1.GIF

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