Coherent Stress Testing
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Coherent Stress Testing
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Author : Riccardo Rebonato
language : en
Publisher: John Wiley & Sons
Release Date : 2010-06-10
Coherent Stress Testing written by Riccardo Rebonato and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-06-10 with Business & Economics categories.
In Coherent Stress Testing: A Bayesian Approach, industry expert Riccardo Rebonato presents a groundbreaking new approach to this important but often undervalued part of the risk management toolkit. Based on the author's extensive work, research and presentations in the area, the book fills a gap in quantitative risk management by introducing a new and very intuitively appealing approach to stress testing based on expert judgement and Bayesian networks. It constitutes a radical departure from the traditional statistical methodologies based on Economic Capital or Extreme-Value-Theory approaches. The book is split into four parts. Part I looks at stress testing and at its role in modern risk management. It discusses the distinctions between risk and uncertainty, the different types of probability that are used in risk management today and for which tasks they are best used. Stress testing is positioned as a bridge between the statistical areas where VaR can be effective and the domain of total Keynesian uncertainty. Part II lays down the quantitative foundations for the concepts described in the rest of the book. Part III takes readers through the application of the tools discussed in part II, and introduces two different systematic approaches to obtaining a coherent stress testing output that can satisfy the needs of industry users and regulators. In part IV the author addresses more practical questions such as embedding the suggestions of the book into a viable governance structure.
Handbook Of Financial Stress Testing
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Author : J. Doyne Farmer
language : en
Publisher:
Release Date : 2022-04-14
Handbook Of Financial Stress Testing written by J. Doyne Farmer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-04-14 with Mathematics categories.
Discover current uses and future development of stress tests, the most innovative regulatory tool to prevent and fight financial crises.
Portfolio Management Under Stress
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Author : Riccardo Rebonato
language : en
Publisher: Cambridge University Press
Release Date : 2013
Portfolio Management Under Stress written by Riccardo Rebonato and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Business & Economics categories.
A rigorous presentation of a novel methodology for asset allocation in financial portfolios under conditions of market distress.
A Framework For Macroprudential Bank Solvency Stress Testing
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Author : Mr.Andreas A. Jobst
language : en
Publisher: International Monetary Fund
Release Date : 2013-03-13
A Framework For Macroprudential Bank Solvency Stress Testing written by Mr.Andreas A. Jobst and has been published by International Monetary Fund this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-13 with Business & Economics categories.
The global financial crisis has placed the spotlight squarely on bank stress tests. Stress tests conducted in the lead-up to the crisis, including those by IMF staff, were not always able to identify the right risks and vulnerabilities. Since then, IMF staff has developed more robust stress testing methods and models and adopted a more coherent and consistent approach. This paper articulates the solvency stress testing framework that is being applied in the IMF’s surveillance of member countries’ banking systems, and discusses examples of its actual implementation in FSAPs to 18 countries which are in the group comprising the 25 most systemically important financial systems (“S-25”) plus other G-20 countries. In doing so, the paper also offers useful guidance for readers seeking to develop their own stress testing frameworks and country authorities preparing for FSAPs. A detailed Stress Test Matrix (STeM) comparing the stress test parameters applie in each of these major country FSAPs is provided, together with our stress test output templates.
Portfolio Management Under Stress
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Author : Riccardo Rebonato
language : en
Publisher: Cambridge University Press
Release Date : 2014-01-09
Portfolio Management Under Stress written by Riccardo Rebonato and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-01-09 with Business & Economics categories.
Portfolio Management under Stress offers a novel way to apply the well-established Bayesian-net methodology to the important problem of asset allocation under conditions of market distress or, more generally, when an investor believes that a particular scenario (such as the break-up of the Euro) may occur. Employing a coherent and thorough approach, it provides practical guidance on how best to choose an optimal and stable asset allocation in the presence of user specified scenarios or 'stress conditions'. The authors place causal explanations, rather than association-based measures such as correlations, at the core of their argument, and insights from the theory of choice under ambiguity aversion are invoked to obtain stable allocations results. Step-by-step design guidelines are included to allow readers to grasp the full implementation of the approach, and case studies provide clarification. This insightful book is a key resource for practitioners and research academics in the post-financial crisis world.
Lasso Regressions And Forecasting Models In Applied Stress Testing
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Author : Mr.Jorge A. Chan-Lau
language : en
Publisher: International Monetary Fund
Release Date : 2017-05-05
Lasso Regressions And Forecasting Models In Applied Stress Testing written by Mr.Jorge A. Chan-Lau and has been published by International Monetary Fund this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-05-05 with Business & Economics categories.
Model selection and forecasting in stress tests can be facilitated using machine learning techniques. These techniques have proved robust in other fields for dealing with the curse of dimensionality, a situation often encountered in applied stress testing. Lasso regressions, in particular, are well suited for building forecasting models when the number of potential covariates is large, and the number of observations is small or roughly equal to the number of covariates. This paper presents a conceptual overview of lasso regressions, explains how they fit in applied stress tests, describes its advantages over other model selection methods, and illustrates their application by constructing forecasting models of sectoral probabilities of default in an advanced emerging market economy.
Stress Testing And Risk Integration In Banks
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Author : Tiziano Bellini
language : en
Publisher: Academic Press
Release Date : 2016-11-26
Stress Testing And Risk Integration In Banks written by Tiziano Bellini and has been published by Academic Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-11-26 with Business & Economics categories.
Stress Testing and Risk Integration in Banks provides a comprehensive view of the risk management activity by means of the stress testing process. An introduction to multivariate time series modeling paves the way to scenario analysis in order to assess a bank resilience against adverse macroeconomic conditions. Assets and liabilities are jointly studied to highlight the key issues that a risk manager needs to face. A multi-national bank prototype is used all over the book for diving into market, credit, and operational stress testing. Interest rate, liquidity and other major risks are also studied together with the former to outline how to implement a fully integrated risk management toolkit. Examples, business cases, and exercises worked in Matlab and R facilitate readers to develop their own models and methodologies. Provides a rigorous statistical framework for modeling stress test in line with U.S. Federal Reserve FRB CCAR (Comprehensive Capital Analysis Review), U.K. PRA (Prudential Regulatory Authority), EBA (European Baning Authorithy) and comply with Basel Accord requirements Follows an integrated bottom-up approach central in the most advanced risk modelling practice Provides numerous sample codes in Matlab and R
Macroprudential Solvency Stress Testing Of The Insurance Sector
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Author : Mr.Andreas A. Jobst
language : en
Publisher: International Monetary Fund
Release Date : 2014-07-22
Macroprudential Solvency Stress Testing Of The Insurance Sector written by Mr.Andreas A. Jobst and has been published by International Monetary Fund this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014-07-22 with Business & Economics categories.
Over the last decade, stress testing has become a central aspect of the Fund’s bilateral and multilateral surveillance work. Recently, more emphasis has also been placed on the role of insurance for financial stability analysis. This paper reviews the current state of system-wide solvency stress tests for insurance based on a comparative review of national practices and the experiences from Fund’s FSAP program with the aim of providing practical guidelines for the coherent and consistent implementation of such exercises. The paper also offers recommendations on improving the current insurance stress testing approaches and presentation of results.
Stress Testing
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Author : Li Lian Ong
language : en
Publisher: INTERNATIONAL MONETARY FUND
Release Date : 2020-09-03
Stress Testing written by Li Lian Ong and has been published by INTERNATIONAL MONETARY FUND this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-03 with Business & Economics categories.
The objective of this book is to present IMF staff’s further analyses and applications of these tools. Stress test exercises must be undertaken within a coherent and comprehensive framework; they must take into account "best practice" principles and incorporate key concepts; and they must hold up under intense scrutiny given their ability to significantly influence results.
Liquidity At Risk Joint Stress Testing Of Solvency And Liquidity
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Author : Rama Cont
language : en
Publisher: International Monetary Fund
Release Date : 2020-06-05
Liquidity At Risk Joint Stress Testing Of Solvency And Liquidity written by Rama Cont and has been published by International Monetary Fund this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-06-05 with Business & Economics categories.
The traditional approach to the stress testing of financial institutions focuses on capital adequacy and solvency. Liquidity stress tests have been applied in parallel to and independently from solvency stress tests, based on scenarios which may not be consistent with those used in solvency stress tests. We propose a structural framework for the joint stress testing of solvency and liquidity: our approach exploits the mechanisms underlying the solvency-liquidity nexus to derive relations between solvency shocks and liquidity shocks. These relations are then used to model liquidity and solvency risk in a coherent framework, involving external shocks to solvency and endogenous liquidity shocks arising from these solvency shocks. We define the concept of ‘Liquidity at Risk’, which quantifies the liquidity resources required for a financial institution facing a stress scenario. Finally, we show that the interaction of liquidity and solvency may lead to the amplification of equity losses due to funding costs which arise from liquidity needs. The approach described in this study provides in particular a clear methodology for quantifying the impact of economic shocks resulting from the ongoing COVID-19 crisis on the solvency and liquidity of financial institutions and may serve as a useful tool for calibrating policy responses.