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Research on self-help and mutual help between generations in the declining population era

Research Project

Project/Area Number 18H00865
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Review Section Basic Section 07050:Public economics and labor economics-related
Research InstitutionSugiyama Jogakuen University

Principal Investigator

Kuroda Tatsuaki  椙山女学園大学, 現代マネジメント学部, 教授 (00183319)

Co-Investigator(Kenkyū-buntansha) 宮澤 和俊  同志社大学, 経済学部, 教授 (00329749)
玉井 寿樹  名古屋大学, 経済学研究科, 教授 (00456584)
相浦 洋志  南山大学, 経済学部, 准教授 (50511177)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2021: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2020: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2019: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2018: ¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Keywords少子高齢化 / 世代間共助 / 高齢者の労働 / 高齢者の育児 / 居住地選択 / 人口減少 / 東京一極集中 / 地域間所得移転 / 産業構造の変化 / 世代間自助 / 地域間人口分布 / 都市再生 / 所得格差 / 企業移転 / 高齢化
Outline of Final Research Achievements

With the declining birthrate and aging population in Japan, the choice of place of residence for each generation has become a major issue. Living with parents or living in remote areas, which often focuses on strategic choices, including customs and conflicts of interest for children, is not only about regional income and rent disparities, but also different incomes at each stage of life, etc. Focusing on the influence of these constraints, the analysis was performed mainly using the overlapping generation model. As a result, for example, in the early stages of urbanization, public income transfers go from urban to rural areas, but later in the opposite direction. We also show that both the tax rate and the ratio of public debt to GDP are strongly dependent on the extension of life. The results explain the rising trend of public debt to GDP as the population ages in countries such as the United Kingdom, Germany and Japan.

Academic Significance and Societal Importance of the Research Achievements

わが国だけでなく、韓国や中国を始めとした東アジアも急速に少子高齢化に起因する人口減少社会に突入しつつある。さらに、米国でも中南米からの移民が少ない州を中心に同様の問題が顕在化しつつあり、多くの経済先進国でも外国人労働力を受け入れることなしには経済の維持が困難な事態に直面しており、人口減少下における地域的な世代間人口分布は高齢者の育児協力などの面からも重要な問題である。本研究の成果は、まだ単純な理論的分析を主としたものであるが、結果が示唆する点は社会保障、医療、教育、住宅、都市計画等の諸政策へ極めて重要な意味を有すると考えられる。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Annual Research Report
  • 2019 Annual Research Report
  • 2018 Annual Research Report
  • Research Products

    (31 results)

All 2021 2020 2019 2018 Other

All Int'l Joint Research (1 results) Journal Article (18 results) (of which Int'l Joint Research: 1 results,  Open Access: 8 results,  Peer Reviewed: 6 results) Presentation (11 results) (of which Int'l Joint Research: 6 results,  Invited: 1 results) Book (1 results)

  • [Int'l Joint Research] The University of Adelaide(オーストラリア)

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Urbanization and political redistribution2021

    • Author(s)
      Kuroda, T., K. Miyazawa, and T. Naito
    • Journal Title

      Working Paper Series, Faculty of Economics, Doshisha University

      Volume: No.58 Pages: 1-28

    • Related Report
      2021 Annual Research Report
    • Open Access
  • [Journal Article] ジェントリフィケーションの類型と都市政策に関する研究2021

    • Author(s)
      黒田達朗
    • Journal Title

      日交研シリーズ、日本交通政策研究会

      Volume: A-833 Pages: 1-24

    • Related Report
      2021 Annual Research Report
    • Open Access
  • [Journal Article] Elderly Empowerment, Fertility, and Public Pensions2021

    • Author(s)
      Miyazawa Kazutoshi
    • Journal Title

      International Tax and Public Finance

      Volume: 28-4 Pages: 941-964

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Economic growth, equilibrium welfare, and public goods provision with intergenerational altruism2021

    • Author(s)
      Tamai Toshiki
    • Journal Title

      European Journal of Political Economy

      Volume: 71 Pages: 102098-102098

    • DOI

      10.1016/j.ejpoleco.2021.102098

    • NAID

      120006812138

    • Related Report
      2021 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 多文化共生と都市政策のあり方に関する研究:米国の事例を参考に2021

    • Author(s)
      黒田達朗
    • Journal Title

      日交研シリーズ、日本交通政策研究会

      Volume: A-804 Pages: 1-30

    • Related Report
      2020 Annual Research Report
    • Open Access
  • [Journal Article] 観光に関する競争政策の実証的研究2020

    • Author(s)
      黒田達朗
    • Journal Title

      日交研シリーズ

      Volume: A-772 Pages: 1-13

    • Related Report
      2019 Annual Research Report
  • [Journal Article] 自動車新時代の道路整備財源について-揮発油税なき近未来を考える-2019

    • Author(s)
      黒田達朗
    • Journal Title

      高速道路と自動車

      Volume: 62-6 Pages: 9-12

    • NAID

      40021905618

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Capital Market Integration and Fiscal Sustainability2019

    • Author(s)
      Miyazawa Kazutoshi, Ogawa Hikaru, Tamai Toshiki
    • Journal Title

      European Economic Review

      Volume: 120 Pages: 1-29

    • DOI

      10.1016/j.euroecorev.2019.103305

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Wealth Inequality and Conditionality in Cash Transfers: A Politico-Economic Approach2019

    • Author(s)
      Koji Kitaura, Kazutoshi Miyazawa
    • Journal Title

      ICES Working Paper (Hosei University)

      Volume: 215 Pages: 1-36

    • Related Report
      2019 Annual Research Report
  • [Journal Article] Public investment, public debt, and population aging under the golden rule of public finance2019

    • Author(s)
      Kamiguchi Akira、Tamai Toshiki
    • Journal Title

      Journal of Macroeconomics

      Volume: 60 Pages: 110-122

    • DOI

      10.1016/j.jmacro.2019.01.011

    • Related Report
      2019 Annual Research Report 2018 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Unemployment, Tax Competition, and Tax Transfer Policy2019

    • Author(s)
      Toshiki Tamai, Gareth Myles
    • Journal Title

      Economic Research Center Discussion Paper

      Volume: E19-3 Pages: 1-25

    • NAID

      120006645117

    • Related Report
      2019 Annual Research Report
    • Open Access / Int'l Joint Research
  • [Journal Article] "Deficit-Financed Public Investment, Economic Growth, and Welfare in an Overlapping Generations Model"2019

    • Author(s)
      Akira Kamiguchi, Toshiki Tamai
    • Journal Title

      Economic Research Center Discussion Paper

      Volume: E19-1 Pages: 1-10

    • NAID

      120006627995

    • Related Report
      2019 Annual Research Report
    • Open Access
  • [Journal Article] EFFECT OF CROSS‐BORDER HEALTH CARE ON QUALITY AND PROGRESSIVITY OF FINANCING2019

    • Author(s)
      Hiroshi Aiura
    • Journal Title

      Review of Urban & Regional Development Studies

      Volume: 31 Issue: 1-2 Pages: 29-43

    • DOI

      10.1111/rurd.12093

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 国際的な観光に関する競争政策の実証的研究2019

    • Author(s)
      黒田達朗
    • Journal Title

      日交研シリーズ、日本交通政策研究会

      Volume: A-743 Pages: 1-35

    • Related Report
      2018 Annual Research Report
  • [Journal Article] 平成30年7月豪雨による製造業の被災:その原因と対策について2019

    • Author(s)
      黒田達朗
    • Journal Title

      巨大地震災害の国際比較研究報告書、名古屋大学大学院環境学研究科

      Volume: 3 Pages: 64-72

    • Related Report
      2018 Annual Research Report
    • Open Access
  • [Journal Article] 公的医療と国債-動学的政治経済理論の視点から2019

    • Author(s)
      宮澤和俊
    • Journal Title

      経済学論叢(同志 社大学)

      Volume: 70-4 Pages: 233-258

    • Related Report
      2018 Annual Research Report
  • [Journal Article] Indirect taxes in a cross-border shopping model: a monopolistic competition approach2019

    • Author(s)
      Hiroshi Aiura and Hikaru Ogawa
    • Journal Title

      Journal of Economics

      Volume: 印刷中 Issue: 2 Pages: 1-29

    • DOI

      10.1007/s00712-019-00659-7

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Tax Competition and Fiscal Sustainability2018

    • Author(s)
      Miyazawa, Kazutoshi, Ogawa, Hikaru, Tamai, Toshiki
    • Journal Title

      CIRJE Discussion Paper F series

      Volume: F-1103 Pages: 1-27

    • Related Report
      2018 Annual Research Report
  • [Presentation] Product and price competition in Industry 4.0 era2021

    • Author(s)
      相浦 洋志、小寺俊樹
    • Organizer
      日本応用経済学会
    • Related Report
      2021 Annual Research Report
  • [Presentation] The New Era of Automobiles and Financial Resources for Road Construction -In the Case of Japan-2019

    • Author(s)
      Tatsuaki Kuroda
    • Organizer
      Tianjin Forum 2019
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 自動車新時代の道路整備財源について-揮発油税なき近未来を考える-2019

    • Author(s)
      黒田達朗
    • Organizer
      第8回椙山・多様性研究会
    • Related Report
      2019 Annual Research Report
  • [Presentation] An empirical study on domestic tourism in Japan2019

    • Author(s)
      黒田達朗、陳凱帆
    • Organizer
      59th Congress of the European Regional Science Association
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Elderly Empowerment, Fertility, and Public Pensions2019

    • Author(s)
      Kazutoshi Miyazawa
    • Organizer
      Association for Public Economic Theory
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Tax Competition and Fiscal Sustainability2019

    • Author(s)
      Kazutoshi Miyazawa
    • Organizer
      International Institute of Public Finance
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research
  • [Presentation] Spatial Price Discrimination and Fulfillment Location of Online Marketplace2019

    • Author(s)
      相浦 洋志
    • Organizer
      日本応用経済学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Public investment, public debt, and population aging under the golden rule of public finance2019

    • Author(s)
      Toshiki Tamai and Akira Kamiguchi
    • Organizer
      同志社大学経済学会研究会
    • Related Report
      2018 Annual Research Report
  • [Presentation] 最近の日本の自然災害とサプライチェーンへの影響2018

    • Author(s)
      黒田達朗
    • Organizer
      公開コロキアム「大規模地震災害からの復興と備え」
    • Related Report
      2018 Annual Research Report
  • [Presentation] Beyond the Scope of Politicians: A Growth Effect on Intergenerational Redistribution Policies in a Probabilistic Voting Model2018

    • Author(s)
      Miyazawa, Kazutoshi
    • Organizer
      International Institute of Public Finance, Tampere, Finland
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Presentation] The effect of cross-border healthcare on quality and income redistribution2018

    • Author(s)
      Hiroshi Aiura
    • Organizer
      Public Economic Theory Conference, Hue, Vietnam
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research
  • [Book] 財政学2019

    • Author(s)
      宮澤和俊,焼田党
    • Total Pages
      251
    • Publisher
      新世社
    • Related Report
      2019 Annual Research Report

URL: 

Published: 2018-04-23   Modified: 2023-01-30  

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