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Managing Adverse Dependence for Portfolios of Collateral in Financial Infrastructures

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  • Alejandro García
  • Ramazan Gençay

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.

Suggested Citation

  • Alejandro García & Ramazan Gençay, 2007. "Managing Adverse Dependence for Portfolios of Collateral in Financial Infrastructures," Staff Working Papers 07-25, Bank of Canada.
    • Handle: RePEc:bca:bocawp:07-25
    DOI: 10.34989/swp-2007-25
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    References listed on IDEAS

    as
    1. Bouye, Eric & Durlleman, Valdo & Nikeghbali, Ashkan & Riboulet, Gaël & Roncalli, Thierry, 2000. "Copulas for finance," MPRA Paper 37359, University Library of Munich, Germany.
    2. Alejandro García & Ramazan Gençay, 2006. "Risk-Cost Frontier and Collateral Valuation in Securities Settlement Systems for Extreme Market Events," Staff Working Papers 06-17, Bank of Canada.
    3. Nicholas Chan & Mila Getmansky & Shane M. Haas & Andrew W. Lo, 2007. "Systemic Risk and Hedge Funds," NBER Chapters, in: The Risks of Financial Institutions, pages 235-330, National Bureau of Economic Research, Inc.
    Full references (including those not matched with items on IDEAS)

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    JEL classification:

    • G00 - Financial Economics - - General - - - General
    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • C10 - Mathematical and Quantitative Methods - - Econometric and Statistical Methods and Methodology: General - - - General

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