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Partnership between Public and Private Pension Insurance for a Sustainable Retirement Security System

Research Project

Project/Area Number 17K04018
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Commerce
Research InstitutionKyoto Sangyo University

Principal Investigator

SUZAWA Yoshihiko  京都産業大学, 経営学部, 教授 (50460663)

Project Period (FY) 2017-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2019: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2018: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2017: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Keywords老齢保障システム / ポートフォリオ理論 / 公的年金 / 分離均衡モデル / 年金保険 / 医療保険 / シミュレーション分析 / 医療保険システム / 健康増進型医療保険 / 医療費削減 / 健康診断計測項目 / 支払能力 / 老齢保障 / テレマティクス / ナッシュ分離均衡モデル / モニタリング / 逆選択 / モラルハザード / 保険料内部補助 / 保険 / 公的年金制度 / 私的年金保険 / 分離ナッシュ均衡モデル / 内部補助 / 付加保険料 / 経済変動リスク / 賦課方式 / 社会変動リスク / 事前積立方式 / モダンポートフォリオ理論 / 経営学 / 商学 / 年金
Outline of Final Research Achievements

This study aims to demonstrate how the public and private sectors collaborate for a sustainable old-age security system in an aging society from the perspective of insurance economics. The analysis, based on the portfolio theory, reveals that minimizing both the amount of pension contributions and the variability of benefits is necessary to avoid a withdrawal from the public pension plan. From the results of a separating equilibrium model, a private insurer is found to facilitate active participation in pension and medical insurance products by offering a variety of coverage options that supplement public insurance plans. The simulation results imply that the active provision of health promotion medical insurance based on an appropriately designed risk evaluation index will not only enforce insurance solvency but also reduce the medical costs of the public health insurance system.

Academic Significance and Societal Importance of the Research Achievements

本研究の成果は、従来保険研究が取り組んできた逆選択とモラルハザードの緩和策に加え、経済変動リスクと社会変動リスクへの対処に視野を広げ、また保険がリスク移転だけでなく、能動的に損失縮小の機能を持ち得るものであることを示している。これらの点において本研究は、保険研究に新たな視点から知見を加え、その水準向上に資するものである。さらに本研究は、年金システムにおける公的年金と私的年金保険の保険料体系と保障内容のあり方を示すとともに、医療費削減のために提供されるべき私的医療保険の商品設計についても分析していることから、公的生活保障制度設計上および保険経営上意義ある示唆を導き出したと言える。

Report

(5 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (14 results)

All 2020 2019 2018 2017

All Journal Article (5 results) (of which Open Access: 2 results) Presentation (9 results) (of which Int'l Joint Research: 5 results)

  • [Journal Article] Risk Evaluation Accuracy using Telematics and Policyholders’ Coverage Selection: An Analysis Based on an Equilibrium Model2020

    • Author(s)
      諏澤吉彦
    • Journal Title

      京都マネジメント・レビュー

      Volume: 36 Pages: 5-17

    • NAID

      120006893157

    • Related Report
      2020 Annual Research Report
    • Open Access
  • [Journal Article] Risk Evaluation Accuracy Using Telematics and Policyholders’ Coverage Selection: An Analysis Based on an Equilibrium Model2020

    • Author(s)
      諏澤吉彦
    • Journal Title

      京都マネジメント・レビュー

      Volume: 第36号 Pages: 5-17

    • NAID

      120006893157

    • Related Report
      2019 Research-status Report
    • Open Access
  • [Journal Article] 分離均衡モデルに基づく公的年金制度と私的年金保険のあり方に関する考察2019

    • Author(s)
      諏澤吉彦
    • Journal Title

      保険学雑誌

      Volume: 644 Pages: 107-127

    • NAID

      130007818514

    • Related Report
      2018 Research-status Report
  • [Journal Article] Insurtechによるリスク評価の精緻化と保険選択への影響2018

    • Author(s)
      諏澤吉彦
    • Journal Title

      損害保険研究

      Volume: 80-3 Pages: 79-100

    • NAID

      130007844092

    • Related Report
      2018 Research-status Report
  • [Journal Article] 老齢保障システムにおける公的・私的年金ポートフォリオ選択に関する考察2017

    • Author(s)
      諏澤吉彦
    • Journal Title

      生命保険論集

      Volume: 第201号 Pages: 85-110

    • NAID

      40021422401

    • Related Report
      2017 Research-status Report
  • [Presentation] Risk Evaluation Factor of Health Promotion Medical Insurance: An Analysis Focusing on Cost of Telematics and Policyholders’ Coverage Selection2020

    • Author(s)
      Suzawa, Yoshihiko
    • Organizer
      World Risk and Insurance Economic Conference
    • Related Report
      2020 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 健康増進型医療保険の効果と費用―健康保険組合データからの分析―2020

    • Author(s)
      諏澤吉彦・田中貴・永井克彦
    • Organizer
      日本保険学会全国大会
    • Related Report
      2020 Annual Research Report
  • [Presentation] Family Group Insurance Scheme to Encourage Health Promoting Activities beyond Generations2019

    • Author(s)
      Suzawa, Yoshihiko
    • Organizer
      2019 Biennial Global Intergenerational Conference
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Risk Evaluation Accuracy by Insurtech and Policyholders' Coverage Selection: An Analysis Based on Equilibrium Model2019

    • Author(s)
      Suzawa, Yoshihiko
    • Organizer
      Asia-Pacific Risk and Insurance Association 2019 Annual Conference
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Functional Division of Public and Private Insurance in the Retirement Security System: Utility Effect of Cross-Subsidy and Expense Loadings2018

    • Author(s)
      Suzawa, Yoshihiko
    • Organizer
      Asia-Pacific Risk & Insurance Association Annual Conference
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] Insurtechによるリスク評価の精緻化と保険選択2018

    • Author(s)
      諏澤吉彦
    • Organizer
      保険および金融についての研究ワークショップ(Workshop on Insurance and Finance)
    • Related Report
      2018 Research-status Report
  • [Presentation] 老齢保障システムにおける生命保険事業の役割と公的年金との機能分担2017

    • Author(s)
      諏澤吉彦
    • Organizer
      保険学セミナー・懇談会(大阪)
    • Related Report
      2017 Research-status Report
  • [Presentation] Role of Private Pension Insurance in the Retirement Security System2017

    • Author(s)
      Suzawa, Yoshihiko
    • Organizer
      Asia-Pacific Risk & Insurance Association Annual Conference
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] 私的年金保険の保障提供範囲に関する考察―分離均衡モデルに基づく分析―2017

    • Author(s)
      諏澤吉彦
    • Organizer
      日本保険学会関西部会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2022-01-27  

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