A Proposed Fat-Tail Risk Metric: Disclosures, Derivatives and the Measurement of Financial Risk

14 Pages Posted: 6 Feb 2010 Last revised: 17 Feb 2011

See all articles by Peter Conti-Brown

Peter Conti-Brown

University of Pennsylvania - The Wharton School; Brookings Institution

Date Written: February 6, 2010


This paper argues that the financial regulatory reform currently debated in the U.S. Congress misses a key opportunity to address one of the central causes of the financial crisis: the failure of risk models to account for high impact, low probability events. The paper proposes a legal solution that will create a more robust metric: require mandatory disclosure of a firm’s exposure to contingent liabilities, such as guarantees for the debts of off-balance sheet entities, and all varieties of OTC derivatives contracts. Such disclosures - akin to publicly traded corporations’ public filings with the SEC - will allow regulators and researchers to approximate an apocalyptic, black-out, no-bankruptcy-protection and no-bailout scenario of a firm's implosion; force firm’s to maintain daily record-keeping on such obligations, a task which has proved difficult in the past; and, most importantly, will open up a crucial subset of data that has, until now, been opaque or completely invisible. With such data, researchers, over time, will develop analytical and econometric tools that better assess the consequences of remote events for individual firms and, more importantly, the economy as a whole.

Keywords: OTC Derivatives, Too Big To Fail, Value-At-Risk, Risk, Disclosure, Financial Crisis, Financial Regulatory Reform

JEL Classification: G33, G38

Suggested Citation

Conti-Brown, Peter, A Proposed Fat-Tail Risk Metric: Disclosures, Derivatives and the Measurement of Financial Risk (February 6, 2010). Washington University Law Review, Vol. 87, p. 1461, 2010, Available at SSRN: https://ssrn.com/abstract=1548892

Peter Conti-Brown (Contact Author)

University of Pennsylvania - The Wharton School ( email )

3641 Locust Walk
Philadelphia, PA 19104-6365
United States

Brookings Institution ( email )

1775 Massachusetts Ave, NW
Washington, DC 20036
United States

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