The Credit Rating Crisis
Since June 2007, the creditworthiness of structured finance products has deteriorated rapidly. The number of downgrades in November 2007 alone exceeded 2,000 and many downgrades were severe, with 500 tranches downgraded more than 10 notches. Massive downgrades continued in 2008. More than 11,000 of the downgrades affected securities that were rated AAA. This paper studies the credit rating crisis of 2007-2008 and in particular describes the collapse of the credit ratings of ABS CDOs. Using data on ABS CDOs we provide suggestive evidence that ratings shopping may have played a role in the current crisis. We find that tranches rated solely by one agency, and by S&P in particular, were more likely to be downgraded by January 2008. Further, tranches rated solely by one agency are more likely to suffer more severe downgrades.
|Date of creation:||Jun 2009|
|Date of revision:|
|Publication status:||published as The Credit Rating Crisis , Efraim Benmelech, Jennifer Dlugosz. in NBER Macroeconomics Annual 2009, Volume 24 , Acemoglu, Rogoff, and Woodford. 2010|
|Note:||AP CF LE ME|
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Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Ettore Damiano & Hao Li & Wing Suen, 2006.
tecipa-219, University of Toronto, Department of Economics.
- Patrick Bolton & Xavier Freixas & Joel Shapiro, 2015.
"The Credit Ratings Game,"
468, Barcelona Graduate School of Economics.
- Patrick Bolton & Xavier Freixas & Joel Shapiro, 2009. "The credit ratings game," Economics Working Papers 1149, Department of Economics and Business, Universitat Pompeu Fabra.
- Patrick Bolton & Xavier Freixas & Joel Shapiro, 2009. "The Credit Ratings Game," NBER Working Papers 14712, National Bureau of Economic Research, Inc.
- Patrick Bolton & Xavier Freixas & Joel Shapiro, 2010. "The credit ratings game," Economics Working Papers 1221, Department of Economics and Business, Universitat Pompeu Fabra.
- Gorton, Gary & Pennacchi, George, 1990. " Financial Intermediaries and Liquidity Creation," Journal of Finance, American Finance Association, vol. 45(1), pages 49-71, March.
- Vasiliki Skreta & Laura Veldkamp, 2009.
"Ratings Shopping and Asset Complexity: A Theory of Ratings Inflation,"
NBER Working Papers
14761, National Bureau of Economic Research, Inc.
- Skreta, Vasiliki & Veldkamp, Laura, 2009. "Ratings shopping and asset complexity: A theory of ratings inflation," Journal of Monetary Economics, Elsevier, vol. 56(5), pages 678-695, July.
- Vasiliki Skreta & Laura Veldkamp, 2008. "Ratings Shopping and Asset Complexity: A Theory of Ratings Inflation," Working Papers 08-28, New York University, Leonard N. Stern School of Business, Department of Economics.
- Benmelech, Efraim & Dlugosz, Jennifer, 2009.
"The alchemy of CDO credit ratings,"
Journal of Monetary Economics,
Elsevier, vol. 56(5), pages 617-634, July.
- Adam Ashcraft & Paul Goldsmith-Pinkham & James Vickery, 2010.
"MBS ratings and the mortgage credit boom,"
449, Federal Reserve Bank of New York.
- Kashyap, Anil K. & Rajan, Raghuram G. & Stein, Jeremy C., 2008. "Rethinking capital regulation," Proceedings - Economic Policy Symposium - Jackson Hole, Federal Reserve Bank of Kansas City, pages 431-471.
- Stewart C. Myers & Nicholas S. Majluf, 1984. "Corporate Financing and Investment Decisions When Firms Have InformationThat Investors Do Not Have," NBER Working Papers 1396, National Bureau of Economic Research, Inc.
- Merton, Robert C., 1973.
"On the pricing of corporate debt: the risk structure of interest rates,"
684-73., Massachusetts Institute of Technology (MIT), Sloan School of Management.
- 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 449-70, May.
- Efraim Benmelech & Nittai K. Bergman, 2008.
NBER Working Papers
13874, National Bureau of Economic Research, Inc.
- Myers, Stewart C. & Majluf, Nicolás S., 1945-, 1984. "Corporate financing and investment decisions when firms have information that investors do not have," Working papers 1523-84., Massachusetts Institute of Technology (MIT), Sloan School of Management.
- Peter M. DeMarzo, 2005. "The Pooling and Tranching of Securities: A Model of Informed Intermediation," Review of Financial Studies, Society for Financial Studies, vol. 18(1), pages 1-35.
- Ashcraft, Adam B. & Schuermann, Til, 2008.
"Understanding the Securitization of Subprime Mortgage Credit,"
Foundations and Trends(R) in Finance,
now publishers, vol. 2(3), pages 191-309, June.
- Adam B. Ashcraft & Til Schuermann, 2008. "Understanding the securitization of subprime mortgage credit," Staff Reports 318, Federal Reserve Bank of New York.
- Peter DeMarzo & Darrell Duffie, 1999. "A Liquidity-Based Model of Security Design," Econometrica, Econometric Society, vol. 67(1), pages 65-100, January.
- Myers, Stewart C. & Majluf, Nicholas S., 1984. "Corporate financing and investment decisions when firms have information that investors do not have," Journal of Financial Economics, Elsevier, vol. 13(2), pages 187-221, June.
- Bo Becker & Todd Milbourn, 2008. "Reputation and competition: evidence from the credit rating industry," Harvard Business School Working Papers 09-051, Harvard Business School, revised Sep 2010.
- Ingo Fender & John Kiff, 2004. "CDO rating methodology: Some thoughts on model risk and its implications," BIS Working Papers 163, Bank for International Settlements.
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