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Understanding,modelling and managing longevity risk: key issues and main challenges
Authors:Pauline Barrieu  Harry Bensusan  Nicole El Karoui  Caroline Hillairet  Stéphane Loisel  Claudia Ravanelli
Affiliation:1. Statistics Department – London School of Economics P.M.Barrieu@lse.ac.uk;3. CMAP – école Polytechnique;4. ISFA – Université Claude Bernard Lyon 1;5. Ecole Polytechnique Fédérale de Lausanne
Abstract:This article investigates the latest developments in longevity-risk modelling, and explores the key risk management challenges for both the financial and insurance industries. The article discusses key definitions that are crucial for the enhancement of the way longevity risk is understood, providing a global view of the practical issues for longevity-linked insurance and pension products that have evolved concurrently with the steady increase in life expectancy since s. In addition, the article frames the recent and forthcoming developments that are expected to action industry-wide changes as more effective regulation, designed to better assess and efficiently manage inherited risks, is adopted. Simultaneously, the evolution of longevity is intensifying the need for capital markets to be used to manage and transfer the risk through what are known as Insurance-Linked Securities (ILS). Thus, the article will examine the emerging scenarios, and will finally highlight some important potential developments for longevity-risk management from a financial perspective with reference to the most relevant modelling and pricing practices in the banking industry.
Keywords:Longevity risk  Stochastic mortality  Pensions  Life insurance  Regulation  Long-term interest rates  Securitisation  Risk transfer  Incomplete market  Population dynamics
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