Managing Adverse Dependence for Portfolios of Collateral in Financial Infrastructures

Alejandro Garcia and Ramazan Gencay

Staff Working Papers from Bank of Canada

Abstract: We propose a framework that allows a portfolio manager to quantify the probability of simultaneous losses in multiple assets of a collateral portfolio. Using this framework, we propose a methodology to conduct stress tests on the market value of the portfolio of collateral when undesirable extreme dependence occurs. This framework permits us to quantify the potential impact on the portfolio returns of systemic events that change, or 'break down', the historical comovement structure, imposing an adverse extreme dependence.We illustrate our framework using securities pledged as collateral in the Canadian securities clearing and settlement system.

Keywords: Econometric and statistical methods; Financial markets; Financial stability (search for similar items in EconPapers)
JEL-codes: C10 G00 G10 (search for similar items in EconPapers)
Pages: 31 pages
Date: 2007
New Economics Papers: this item is included in nep-cfn and nep-rmg
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Persistent link: https://EconPapers.repec.org/RePEc:bca:bocawp:07-25

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