MBS Ratings and the Mortgage Credit Boom

MBS Ratings and the Mortgage Credit Boom

Author: Adam Ashcraft

Publisher: DIANE Publishing

Published: 2010-11

Total Pages: 60

ISBN-13: 1437934617

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Studies credit ratings on subprime and Alt-A mortgage-backed-securities (MBS) deals issued between 2001 and 2007, the period leading up to the subprime crisis. The fraction of highly rated securities in each deal is decreasing in mortgage credit risk; ratings contain useful info. for investors. There was also evidence of significant time variation in risk-adjusted credit ratings, incl. a progressive decline in standards around the MBS market peak between 2005 and mid-2007. Conditional on initial ratings, they observe underperformance (high mortgage defaults and losses and large rating downgrades) among deals with observably higher risk mortgages based on a simple ex ante model and deals with a high fraction of opaque low-documentation loans.


Risk Management and Regulation

Risk Management and Regulation

Author: Tobias Adrian

Publisher: International Monetary Fund

Published: 2018-08-01

Total Pages: 53

ISBN-13: 1484343913

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The evolution of risk management has resulted from the interplay of financial crises, risk management practices, and regulatory actions. In the 1970s, research lay the intellectual foundations for the risk management practices that were systematically implemented in the 1980s as bond trading revolutionized Wall Street. Quants developed dynamic hedging, Value-at-Risk, and credit risk models based on the insights of financial economics. In parallel, the Basel I framework created a level playing field among banks across countries. Following the 1987 stock market crash, the near failure of Salomon Brothers, and the failure of Drexel Burnham Lambert, in 1996 the Basel Committee on Banking Supervision published the Market Risk Amendment to the Basel I Capital Accord; the amendment went into effect in 1998. It led to a migration of bank risk management practices toward market risk regulations. The framework was further developed in the Basel II Accord, which, however, from the very beginning, was labeled as being procyclical due to the reliance of capital requirements on contemporaneous volatility estimates. Indeed, the failure to measure and manage risk adequately can be viewed as a key contributor to the 2008 global financial crisis. Subsequent innovations in risk management practices have been dominated by regulatory innovations, including capital and liquidity stress testing, macroprudential surcharges, resolution regimes, and countercyclical capital requirements.


Understanding the Securitization of Subprime Mortgage Credit

Understanding the Securitization of Subprime Mortgage Credit

Author: Adam B. Ashcraft

Publisher: DIANE Publishing

Published: 2010-03

Total Pages: 76

ISBN-13: 1437925146

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Provides an overview of the subprime mortgage securitization process and the seven key informational frictions that arise. Discusses the ways that market participants work to minimize these frictions and speculate on how this process broke down. Continues with a complete picture of the subprime borrower and the subprime loan, discussing both predatory borrowing and predatory lending. Presents the key structural features of a typical subprime securitization, documents how rating agencies assign credit ratings to mortgage-backed securities, and outlines how these agencies monitor the performance of mortgage pools over time. The authors draw upon the example of a mortgage pool securitized by New Century Financial during 2006. Illustrations.


The State of Securitization Markets

The State of Securitization Markets

Author: United States. Congress. Senate. Committee on Banking, Housing, and Urban Affairs. Subcommittee on Securities, Insurance, and Investment

Publisher:

Published: 2011

Total Pages: 264

ISBN-13:

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Financial Stability Monitoring

Financial Stability Monitoring

Author: Tobias Adrian

Publisher:

Published: 2020

Total Pages: 0

ISBN-13:

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In a recently released New York Fed staff report, we present a forward-looking monitoring program to identify and track time-varying sources of systemic risk.


Revised Reg AB Proposing Release

Revised Reg AB Proposing Release

Author: Richard Careaga

Publisher: Lulu.com

Published: 2010-05-07

Total Pages: 190

ISBN-13: 055745638X

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Reprint of the Securities and Exchange Commission's proposing release for revisions to Regulation AB, as published in the Federal Register on May 3, 2010