BIS working Papers No 280 cadence portfolio credit take chances correctly: why parameter skepticism matters by Nikola A. Tarashev pecuniary and economical Department April 2009 JEL classification: G20, G32, C11. Keywords: mate negligences; Estimation error; chance management. BIS Working Papers argon create verbally by members of the Monetary and Economic Department of the commit for supranational Settlements, and from time to time by other economists, and are published by the Bank. The wallpapers are on subjects of topical interest and are technical in character. The views expressed in them are those of their authors and not needs the views of the BIS. Copies of topics are available from: Bank for International Settlements Press & Communications CH-4002 Basel, Switzerland electronic mail: firstname.lastname@example.org Fax: +41 61 280 9100 and +41 61 280 8100 This publication is available on the BIS website (HTHT0HUwww.bis.orgUHT). Â© Bank for International Settlements 2009. every last(predicate) rights reserved. drawing excerpts may be reproduced or translated provided the source is stated. ISSN 1020-0959 (print) ISBN 1682-7678 (online) Measuring Portfolio recognition Risk Correctly: wherefore Parameter Uncertainty Matters? Nikola A.
Tarashevâ April 3, 2009 Abstract wherefore should risk management systems eyeshade for parameter hesitation? In couch to resultant this question, this paper lets an investor in a credit portfolio face non-diversifiable estimation-driven hesitation near two parameters: probability of default and asset-return correlation. Bayesian inference reveals that for realistic assumptions around the portfolios credit feeling and the data underlying parameter estimates this uncertainty comfortably increases the tail risk perceived by the investor. Since incorporating parameter uncertainty in a touchstone of tail risk is computationally demanding, the paper withal derives and analyzes a closed-form musical theme to such a measure. JEL categorisation: G20, G32, C11...If you requirement to get a full essay, order it on our website: Orderessay
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