Spatial dependence and diversification of climate extremes for global (re)insurance

全球(再)保险的极端气候的空间依赖性和多样化

基本信息

  • 批准号:
    RGPIN-2021-03362
  • 负责人:
  • 金额:
    $ 1.97万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2021
  • 资助国家:
    加拿大
  • 起止时间:
    2021-01-01 至 2022-12-31
  • 项目状态:
    已结题

项目摘要

Insurance is a typical risk transfer mechanism where one pays a predetermined premium in exchange for risk protection. "The contribution of the many to the misfortune of the few" was Lloyd's of London's motto upon its foundation in 1668. This old saying illustrates that insurance works on diversification, either among policyholders or lines of business, which in turn guarantees financial stability and long-term viability. Climate extremes such as floods and hurricanes, however put a significant strain on the financial stability of insurers. This is because of the systemic nature (or wide spatial extent) of these disasters that generate rare but tremendous losses. Losses from climate extremes are typically shared with governments and homeowners or in large part transferred to the international reinsurance industry. Reinsurance is also a risk transfer mechanism but insurers (and other organizations) pay premiums for protection instead. Global by nature, reinsurance counts on international portfolios to stabilize large claims from risks such as climate extremes. But at such level, international (re)insurance portfolios may be affected by global climate phenomena such as El Niño / Southern Oscillation (ENSO) or other regional climate influences. For example, it is well-known in climate science that ENSO affects flood and hurricane occurrences simultaneously around the world, even if such locations are thousands of kilometers apart. The aim of the research proposal is to provide mathematical representations of how climate extremes may occur at various locations globally (spatial dependence) and their effects on a large (inter)national (re)insurance portfolio (spatial diversification). The study of global diversification of climate extremes, which is at the boundary of actuarial and climate sciences, is challenging because it requires an understanding of local and global dynamics of these events. Being high-dimensional by nature, I thus seek to exploit our physical understanding of these natural phenomena, to create more realistic models and financial risk management approaches that in turn advance both actuarial and climate sciences. Insurance, either private and/or public, is a key component of the disaster recovery process. Access to affordable insurance is essential to reduce protection gaps and mitigate climate inequalities generally affecting vulnerable populations more severely. International reinsurance provides an easy mean to benefit from global diversification which in turn assures the long-term viability of the Canadian insurance industry while also reducing the needs for taxpayers to constantly compensate for losses from disaster financial assistance programs. This research proposal thus provides the mathematical tools for actuaries, economists and financial analysts to design public and/or private (re)insurance programs for climate extremes that are sustainable in the future in the face of climate change.
保险是一种典型的风险转移机制,人们支付预定的保费以换取风险保护。“多数人的贡献给少数人的不幸”是劳埃德在1668年创立的伦敦的座右铭。这句老话说明,保险的作用在于多样化,无论是在投保人之间还是在业务领域,这反过来又保证了金融稳定和长期生存能力。然而,洪水和飓风等极端气候因素给保险公司的财务稳定带来了巨大压力。这是因为这些灾害具有系统性(或广泛的空间范围),造成了罕见但巨大的损失。极端气候造成的损失通常与政府和房主分担,或在很大程度上转移到国际再保险行业。再保险也是一种风险转移机制,但保险公司(和其他组织)为保护而支付保费。从本质上讲,再保险依靠国际投资组合来稳定大额索赔,使其免受极端气候等风险的影响。但在这样的水平上,国际(再)保险投资组合可能会受到全球气候现象的影响,如厄尔尼诺/南方涛动(ENSO)或其他区域气候影响。例如,气候科学中众所周知的是,ENSO影响着世界各地同时发生的洪水和飓风,即使这些地点相距数千公里。研究提案的目的是提供全球不同地点气候极端可能如何发生的数学表示(空间相关性)及其对大型(国际)国家(再)保险投资组合的影响(空间多样化)。全球极端气候变化的研究处于精算和气候科学的边缘,具有挑战性,因为它需要了解这些事件的当地和全球动态。由于我的本质是高维度的,因此我试图利用我们对这些自然现象的物理理解,创建更现实的模型和金融风险管理方法,从而促进精算和气候科学的发展。保险,无论是私人的和/或公共的,都是灾难恢复进程的关键组成部分。获得负担得起的保险对于缩小保护差距和缓解气候不平等至关重要,气候不平等通常对弱势人口造成更严重的影响。国际再保险提供了一种从全球多元化中受益的简单手段,这反过来又确保了加拿大保险业的长期生存能力,同时也减少了纳税人不断补偿灾害财政援助计划损失的需要。因此,这项研究提案为精算师、经济学家和金融分析师提供了数学工具,以设计针对气候极端情况的公共和/或私人(再)保险计划,这些计划在未来面对气候变化时是可持续的。

项目成果

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Boudreault, Mathieu其他文献

Changes in large-scale controls of Atlantic tropical cyclone activity with the phases of the Atlantic multidecadal oscillation
  • DOI:
    10.1007/s00382-014-2186-5
  • 发表时间:
    2015-04-01
  • 期刊:
  • 影响因子:
    4.6
  • 作者:
    Caron, Louis-Philippe;Boudreault, Mathieu;Bruyere, Cindy L.
  • 通讯作者:
    Bruyere, Cindy L.
A Global Flood Risk Modeling Framework Built With Climate Models and Machine Learning

Boudreault, Mathieu的其他文献

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{{ truncateString('Boudreault, Mathieu', 18)}}的其他基金

Spatial dependence and diversification of climate extremes for global (re)insurance
全球(再)保险的极端气候的空间依赖性和多样化
  • 批准号:
    RGPIN-2021-03362
  • 财政年份:
    2022
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Canadian flood risk-sharing models in the face of climate change
面对气候变化的加拿大洪水风险分担模型
  • 批准号:
    561390-2020
  • 财政年份:
    2021
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Alliance Grants
Mathematical and statistical assessment of the solvency of financial institutions
金融机构偿付能力的数学和统计评估
  • 批准号:
    RGPIN-2016-05002
  • 财政年份:
    2020
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Mathematical and statistical assessment of the solvency of financial institutions
金融机构偿付能力的数学和统计评估
  • 批准号:
    RGPIN-2016-05002
  • 财政年份:
    2019
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Mathematical and statistical assessment of the solvency of financial institutions
金融机构偿付能力的数学和统计评估
  • 批准号:
    RGPIN-2016-05002
  • 财政年份:
    2018
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Mathematical and statistical assessment of the solvency of financial institutions
金融机构偿付能力的数学和统计评估
  • 批准号:
    RGPIN-2016-05002
  • 财政年份:
    2017
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Mathematical and statistical assessment of the solvency of financial institutions
金融机构偿付能力的数学和统计评估
  • 批准号:
    RGPIN-2016-05002
  • 财政年份:
    2016
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Modélisation, évaluation et gestion des risques actuariels et financiers
精算师和金融家风险的模型化、评估和管理
  • 批准号:
    386461-2010
  • 财政年份:
    2015
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Modélisation, évaluation et gestion des risques actuariels et financiers
精算师和金融家风险的模型化、评估和管理
  • 批准号:
    386461-2010
  • 财政年份:
    2013
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual
Modélisation, évaluation et gestion des risques actuariels et financiers
精算师和金融家风险的模型化、评估和管理
  • 批准号:
    386461-2010
  • 财政年份:
    2012
  • 资助金额:
    $ 1.97万
  • 项目类别:
    Discovery Grants Program - Individual

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