Gestion de liquidité

6849 mots 28 pages
Financial Institutions Center

Modeling Liquidity Risk, With Implications for Traditional Market Risk Measurement and Management by Anil Bangia Francis X. Diebold Til Schuermann John D. Stroughair 99-06

THE WHARTON FINANCIAL INSTITUTIONS CENTER

The Wharton Financial Institutions Center provides a multi-disciplinary research approach to the problems and opportunities facing the financial services industry in its search for competitive excellence. The Center's research focuses on the issues related to managing risk at the firm level as well as ways to improve productivity and performance. The Center fosters the development of a community of faculty, visiting scholars and Ph.D. candidates whose research interests complement and support the mission of the Center. The Center works closely with industry executives and practitioners to ensure that its research is informed by the operating realities and competitive demands facing industry participants as they pursue competitive excellence. Copies of the working papers summarized here are available from the Center. If you would like to learn more about the Center or become a member of our research community, please let us know of your interest.

Anthony M. Santomero Director

The Working Paper Series is made possible by a generous grant from the Alfred P. Sloan Foundation

Modeling Liquidity Risk With Implications for Traditional Market Risk Measurement and Management November 1998 This draft/print: December 21, 1998

1

Abstract: Market risk management under normal conditions traditionally has focussed on the distribution of portfolio value changes resulting from moves in the mid-price. Hence the market risk is really in a “pure” form: risk in an idealized market with no “friction” in obtaining the fair price. However, many markets possess an additional liquidity component that arises from a trader not realizing the mid-price when liquidating her position, but rather the mid-price minus the bid-ask

en relation

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