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TitleMeasuring Risk in Complex Stochastic Systems [electronic resource] / edited by Jรผrgen Franke, Gerhard Stahl, Wolfgang Hรคrdle
ImprintNew York, NY : Springer New York : Imprint: Springer, 2000
Connect tohttp://dx.doi.org/10.1007/978-1-4612-1214-0
Descript XIV, 260 p. 3 illus. online resource

SUMMARY

Complex dynamic processes of life and sciences generate risks that have to be taken. The need for clear and distinctive definitions of different kinds of risks, adequate methods and parsimonious models is obvious. The identification of important risk factors and the quantification of risk stemming from an interplay between many risk factors is a prerequisite for mastering the challenges of risk perception, analysis and management successfully. The increasing complexity of stochastic systems, especially in finance, have catalysed the use of advanced statistical methods for these tasks. The methodological approach to solving risk management tasks may, however, be undertaken from many different angles. A financial instiยญ tution may focus on the risk created by the use of options and other derivatives in global financial processing, an auditor will try to evaluยญ ate internal risk management models in detail, a mathematician may be interested in analysing the involved nonlinearities or concentrate on extreme and rare events of a complex stochastic system, whereas a statisยญ tician may be interested in model and variable selection, practical imยญ plementations and parsimonious modelling. An economist may think about the possible impact of risk management tools in the framework of efficient regulation of financial markets or efficient allocation of capital


CONTENT

1 Allocation of Economic Capital in loan portfolios -- 1.1 Introduction -- 1.2 Credit portfolios -- 1.3 Economic Capital -- 1.4 Capital allocation based on Var/Covar -- 1.5 Allocation of marginal capital -- 1.6 Contributory capital based on coherent risk measures -- 1.7 Comparision of the capital allocation methods -- 1.8 Summary -- 2 Estimating Volatility for Long Holding Periods -- 2.1 Introduction -- 2.2 Construction and Properties of the Estimator -- 2.3 Monte Carlo Illustrations -- 2.4 Applications -- 2.5 Conclusion -- 3 A Simple Approach to Country Risk -- 3.1 Introduction -- 3.2 A Structural No-Arbitrage Approach -- 3.3 Description of Data and Parameter Setting -- 3.4 Pricing Capability -- 3.5 Hedging -- 3.6 Management of a Portfolio -- 3.7 Summary and Outlook -- 4 Predicting Bank Failures in Transition -- 4.1 Motivation -- 4.2 Improving โ{128}{156}Standardโ{128}{157} Models of Bank Failures -- 4.3 Czech banking sector -- 4.4 Data and the Results -- 4.5 Conclusions -- 5 Credit Scoring using Semiparametric Methods -- 5.1 Introduction -- 5.2 Data Description -- 5.3 Logistic Credit Scoring -- 5.4 Semiparametric Credit Scoring -- 5.5 Testing the Semiparametric Model -- 5.6 Misclassification and Performance Curves -- 6 On the (Ir) Relevancy of Value-at-Risk Regulation -- 6.1 Introduction -- 6.2 VaR and other Risk Measures -- 6.3 Economic Motives for VaR Management -- 6.4 Policy Implications -- 6.5 Conclusion -- 7 Backtesting beyond VaR -- 7.1 Forecast tasks and VaR Models -- 7.2 Backtesting based on the expected shortfall -- 7.3 Backtesting in Action -- 7.4 Conclusions -- 8 Measuring Implied Volatility Surface Risk using PCA -- 8.1 Introduction -- 8.2 PCA of Implicit Volatility Dynamics -- 8.3 Smile-consistent pricing models -- 8.4 Measuring Implicit Volatility Risk using VaR -- 9 Detection and estimation of changes in ARCH processes -- 9.1 Introduction -- 9.2 Testing for change-point in ARCH -- 9.3 Change-point estimation -- 10 Behaviour of Some Rank Statistics for Detecting Changes -- 10.1 Introduction -- 10.2 Limit Theorems -- 10.3 Simulations -- 10.4 Comments -- 10.5 Acknowledgements -- 11 A stable CAPM in the presence of heavy-tailed distributions -- 11.1 Introduction -- 11.2 Empirical evidence for the stable Paretian hypothesis -- 11.3 Stable CAPM and estimation for ?-coefficients -- 11.4 Empirical analysis of bivariate symmetry test -- 11.5 Summary -- 12 A Tailored Suit for Risk Management: Hyperbolic Model -- 12.1 Introduction -- 12.2 Advantages of the Proposed Risk Management Approach -- 12.3 Mathematical Definition of the P & L Distribution -- 12.4 Estimation of the P & L using the Hyperbolic Model -- 12.5 How well does the Approach Conform with Reality -- 12.6 Extension to Credit Risk -- 12.7 Application -- 13 Computational Resources for Extremes -- 13.1 Introduction -- 13.2 Computational Resources -- 13.3 Client/Server Architectures -- 13.4 Conclusion -- 14 Confidence intervals for a tail index estimator -- 14.1 Confidence intervals for a tail index estimator -- 15 Extremes of alpha-ARCH Models -- 15.1 Introduction -- 15.2 The model and its properties -- 15.3 The tails of the stationary distribution -- 15.4 Extreme value results -- 15.5 Empirical study -- 15.6 Proofs -- 15.7 Conclusion


Statistics Economics Mathematical Statistics Statistics general Quantitative Finance



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