Measuring Systemic Governmental Reinsurance Risks of Extreme Risk Events

This study presents an easy-to-handle approach to measuring the severity of reinsurance that faces a system of dependent claims, where the reinsurance contracts are of excess loss or proportional loss. The proposed approach is a natural generalization of common reinsurance methodologies providing a...

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Main Authors: Elroi Hadad, Tomer Shushi, Rami Yosef
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Risks
Subjects:
Online Access:https://www.mdpi.com/2227-9091/11/3/50
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author Elroi Hadad
Tomer Shushi
Rami Yosef
author_facet Elroi Hadad
Tomer Shushi
Rami Yosef
author_sort Elroi Hadad
collection DOAJ
description This study presents an easy-to-handle approach to measuring the severity of reinsurance that faces a system of dependent claims, where the reinsurance contracts are of excess loss or proportional loss. The proposed approach is a natural generalization of common reinsurance methodologies providing a conservative framework that deals with the fundamental question of how much money should a government hold to prepare for natural or human-made extreme risk events that the government will cover? Although the ruin theory is commonly used for extreme risk events, we suggest a new risk measure to deal with such events in a new framework based on multivariate risk measures. We analyze the results for the log-elliptical model of dependent claims, which are commonly used in risk analysis, and illustrate our novel risk measure using a Monte Carlo simulation.
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spelling doaj.art-6ad1ac035b9447ab9bcac6371a32e90e2023-11-17T13:41:40ZengMDPI AGRisks2227-90912023-02-011135010.3390/risks11030050Measuring Systemic Governmental Reinsurance Risks of Extreme Risk EventsElroi Hadad0Tomer Shushi1Rami Yosef2Department of Industrial Engineering and Management, Sami Shamoon College of Engineering, 56 Bialik St., Beer Sheva 8410802, IsraelDepartment of Business Administration, Guilford Glazer Faculty of Business and Management, Ben-Gurion University of the Negev, Beer-Sheva 8410501, IsraelDepartment of Business Administration, Guilford Glazer Faculty of Business and Management, Ben-Gurion University of the Negev, Beer-Sheva 8410501, IsraelThis study presents an easy-to-handle approach to measuring the severity of reinsurance that faces a system of dependent claims, where the reinsurance contracts are of excess loss or proportional loss. The proposed approach is a natural generalization of common reinsurance methodologies providing a conservative framework that deals with the fundamental question of how much money should a government hold to prepare for natural or human-made extreme risk events that the government will cover? Although the ruin theory is commonly used for extreme risk events, we suggest a new risk measure to deal with such events in a new framework based on multivariate risk measures. We analyze the results for the log-elliptical model of dependent claims, which are commonly used in risk analysis, and illustrate our novel risk measure using a Monte Carlo simulation.https://www.mdpi.com/2227-9091/11/3/50loss retentionreinsurance policyreinsurance claimcatastrophic eventsrisk managementfinancial simulation
spellingShingle Elroi Hadad
Tomer Shushi
Rami Yosef
Measuring Systemic Governmental Reinsurance Risks of Extreme Risk Events
Risks
loss retention
reinsurance policy
reinsurance claim
catastrophic events
risk management
financial simulation
title Measuring Systemic Governmental Reinsurance Risks of Extreme Risk Events
title_full Measuring Systemic Governmental Reinsurance Risks of Extreme Risk Events
title_fullStr Measuring Systemic Governmental Reinsurance Risks of Extreme Risk Events
title_full_unstemmed Measuring Systemic Governmental Reinsurance Risks of Extreme Risk Events
title_short Measuring Systemic Governmental Reinsurance Risks of Extreme Risk Events
title_sort measuring systemic governmental reinsurance risks of extreme risk events
topic loss retention
reinsurance policy
reinsurance claim
catastrophic events
risk management
financial simulation
url https://www.mdpi.com/2227-9091/11/3/50
work_keys_str_mv AT elroihadad measuringsystemicgovernmentalreinsurancerisksofextremeriskevents
AT tomershushi measuringsystemicgovernmentalreinsurancerisksofextremeriskevents
AT ramiyosef measuringsystemicgovernmentalreinsurancerisksofextremeriskevents