Risk Management with Interdependent Choice
Risks faced by traders from price movements are sometimes magnified by the actions of other traders. Risk-management systems which neglect this feature may give a seriously misleading picture of the true risks. The hazards arising from this potential blindspot are at their most dangerous when the prevailing conventional wisdom lulls traders into a false sense of security on the attractiveness of a trading position. The efforts of one trader to reverse his trade makes more acute the need to follow suit on the part of others. For markets dominated by traders with short time horizons, such interdependence leads to exaggerated price movements. Estimates of "value at risk" which recognize such interdependence of actions can diverge substantially from those given by conventional techniques. Copyright 1999 by Oxford University Press.
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References listed on IDEAS
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- Maurice Obstfeld & Kenneth S. Rogoff, 1996. "Foundations of International Macroeconomics," MIT Press Books, The MIT Press, edition 1, volume 1, number 0262150476, June.
- Morris, S & Song Shin, H, 1996.
"Unique Equilibrium in a Model of Self-Fulfilling Currency Attacks,"
126, Economics Group, Nuffield College, University of Oxford.
- Morris, Stephen & Shin, Hyun Song, 1998. "Unique Equilibrium in a Model of Self-Fulfilling Currency Attacks," American Economic Review, American Economic Association, vol. 88(3), pages 587-97, June.
- Morris, Stephen & Shin, Hyun Song, 1997. "Unique Equilibrium in a Model of Self-fulfilling Currency Attacks," CEPR Discussion Papers 1687, C.E.P.R. Discussion Papers.
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