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2016 Fiscal Year Final Research Report

Modeling and evaluating longevity risk in consideration with long term care status

Research Project

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Project/Area Number 25380403
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Money/ Finance
Research InstitutionKeio University

Principal Investigator

KOGURE Atsuyuki  慶應義塾大学, 総合政策学部(藤沢), 教授 (80178251)

Project Period (FY) 2013-04-01 – 2017-03-31
Keywords介護リスク / 長寿リスク / 確率的死亡率モデル / ベイズ / アクチュアリアル・サイエンス
Outline of Final Research Achievements

Increased human lifetime is accompanied by a greater chance of becoming disabled. Aging populations such as Japan have faced with the so-called long-term care (LTC) risk in addition to the longevity risk. The key element of the solutions is how the mortality is related to health states. However, study on the complicated mortality dynamics between the mortality and the health state is limited due to lack of data. This research has proposed a new methodology to forecast mortality rates by the LTC status under the premise that the death data on the LTC sub-populations are not available, but the corresponding population exposures are available. Based on this model we have constructed a Bayesian methodology to forecast future mortality rates. We have applied the proposed methodology to the data from the Japanese long-term care insurance system and predicted the future mortality rates by the required level of the long-term care.

Free Research Field

社会科学

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Published: 2018-03-22  

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