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This book covers both the practical and theoretical aspects of catastrophe modelling for insurance industry practitioners and public policymakers. Written by authors with both academic and industry experience it also functions as an excellent graduate-level text and overview of the field.
Ours is a time of unprecedented levels of risk from both natural and anthropogenic sources. Fortunately, it is also an era of relatively inexpensive technologies for use in assessing those risks. The demand from both commercial and public interests--including (re)insurers, NGOs, global disaster management agencies, and local authorities--for sophisticated catastrophe risk assessment tools has never been greater, and contemporary catastrophe modelling satisfies that demand.
Combining the latest research with detailed coverage of state-of-the-art catastrophe modelling techniques and technologies, this book delivers the knowledge needed to use, interpret, and build catastrophe models, and provides greater insight into catastrophe modelling's enormous potential and possible limitations.
The first book containing the detailed, practical knowledge needed to support practitioners as effective catastrophe risk modellers and managers
Includes hazard, vulnerability and financial material to provide the only independent, comprehensive overview of the subject, accessible to students and practitioners alike
Demonstrates the relevance of catastrophe models within a practical, decision-making framework and illustrates their many applications
Includes contributions from many of the top names in the field, globally, from industry, academia, and government
Natural Catastrophe Risk Management and Modelling: A Practitioner's Guide is an important working resource for catastrophe modelling analysts and developers, actuaries, underwriters, and those working in compliance or regulatory functions related to catastrophe risk. It is also valuable for scientists and engineers seeking to gain greater insight into catastrophe risk management and its applications.
Auteur
Kirsten Mitchell-Wallace, PhD is EMEA Regional Head of Catastrophe Management at SCOR, Zürich, Switzerland
Matthew Jones, PhD is Director at Cat Risk Intelligence, UK
John Hillier, PhD is Senior Lecturer in Physical Geography at Loughborough University, Loughborough, UK
Matthew Foote is Group Head of Exposure Management at Argo Group International Holdings, London, UK
Contenu
List of Contributors and Acknowledgements xiii
Foreword xxv
**1 Fundamentals 1
**Matthew Jones, Kirsten Mitchell-Wallace, Matthew Foote, and John Hillier
1.1 Overview 1
1.1.1 What Is Included 1
1.1.2 What Is Not Included 1
1.1.3 Why Read This Chapter? 1
1.2 Catastrophes, Risk Management and Insurance 2
1.3 What Are Catastrophe Models? 5
1.4 Why Do We Need Catastrophe Models? 6
1.5 History of Catastrophe Models 7
1.6 Who Provides and Uses Catastrophe Models? 10
1.7 What Are Catastrophe Models Used For? 11
1.8 Anatomy of a Catastrophe Model 12
1.8.1 Hazard 13
1.8.2 Vulnerability 14
1.8.3 Exposure 15
1.8.4 Loss and Financial Perspectives 15
1.8.5 Platform 17
1.9 Model Input 19
1.9.1 Exposure 20
1.9.2 Financial Structure 24
1.9.3 Portfolio Hierarchy 25
1.10 Model Output: Metrics and Risk Measures 26
1.10.1 Common Metrics 26
1.10.2 Exceedance probability curve characteristics 27
1.10.3 More Advanced Metrics 29
1.10.4 Event Loss Tables and Year Loss Tables 29
1.10.5 Event Loss Table (ELT) 29
1.10.6 Year Loss Table (YLT) 36
1.11 Statistical Basics for Catastrophe Modelling 38
1.11.1 Discrete Distributions 40
1.11.2 Continuous Distributions 42
1.11.3 Coherent Risk Measures 44
Notes 44
References 45
**2 Applications of Catastrophe Modelling 47
**Kirsten Mitchell-Wallace
2.1 Overview 47
2.1.1 What Is Included 48
2.1.2 What Is Not Included 48
2.1.3 Why Read This Chapter? 48
2.2 Introduction 48
2.3 Risk Transfer, the Structure of the (Re)insurance Industry and Catastrophe Modelling 49
2.4 Insurance and Reinsurance 52
2.4.1 What Is Insurance? 52
2.4.2 What Is Reinsurance? 53
2.5 Catastrophe Risk Management and Catastrophe Modelling 60
Kirsten Mitchell-Wallace and Matthew Foote
2.5.1 What Are Catastrophe Risk Management and Exposure Management? 60
2.5.2 Catastrophe Risk Management Metrics 61
2.5.3 Catastrophe Risk Management Data 62
2.5.4 Exposure Data 63
2.5.5 Common Tools Used in Catastrophe Risk Management 70
2.6 Underwriting and Pricing 70
Kirsten Mitchell-Wallace and Matthew Jones
2.6.1 What Is Underwriting? 70
2.6.2 What Is Pricing? 73
2.6.3 Practicalities of Using Catastrophe Model Output for Pricing 81
2.6.4 Pricing Specifics for Insurance and Reinsurance 83
2.7 Accumulation, Roll-Up and Capacity Monitoring 97
Claire Crerar and Kirsten Mitchell-Wallace
2.7.1 What Is Accumulation? 97
2.7.2 Use in Underwriting and Risk Management 101
2.7.3 Practicalities of Accumulation 104
2.8 Portfolio Management and Optimization 105
Kirsten Mitchell-Wallace and Guillermo Franco
2.8.1 What Is Portfolio Management? 105
2.8.2 What Is Portfolio Optimization? 107
2.8.3 Using Catastrophe Models in Optimization 108
2.8.4 Optimization Methods 109
2.9 Event Response and Integration with Claims Team 111
Kirsten Mitchell-Wallace
2.9.1 Early Estimation of Claims 111
2.9.2 Claims Stresses and Inflation 114
2.9.3 Lessons Learnt Analysis 115
2.10 Capital Modelling, Management and Dynamic Financial Analysis 116
Junaid Seria
2.10.1 Risk Appetite and Risk Tolerance 116
2.10.2 Why Capital Models? 117
2.10.3 What Is a Capital Model? 118
2.10.4 The Structure of Capital Models 118
2.10.5 Capital Models and Catastrophe Models 120
2.10.6 What is Dynamic Financial Analysis (DFA)? 120 2.11 Regulation and Best Practice in Catastrophe Modelling ...