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The Impact of Household Economic Changes on Loneliness

Research Project

Project/Area Number 23K25534
Project/Area Number (Other) 23H00837 (2023)
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeMulti-year Fund (2024)
Single-year Grants (2023)
Section一般
Review Section Basic Section 07060:Money and finance-related
Basic Section 07030:Economic statistics-related
Sections That Are Subject to Joint Review: Basic Section07030:Economic statistics-related , Basic Section07060:Money and finance-related
Research InstitutionHiroshima University

Principal Investigator

角谷 快彦  広島大学, 人間社会科学研究科(社), 教授 (20619176)

Co-Investigator(Kenkyū-buntansha) Khan Mostafa  広島大学, 人間社会科学研究科(社), 研究員 (00825846)
新見 陽子  同志社大学, 政策学部, 教授 (30742647)
C Y.Horioka  神戸大学, 計算社会科学研究センター, 特命教授 (90173632)
Project Period (FY) 2024-04-01 – 2027-03-31
Project Status Granted (Fiscal Year 2024)
Budget Amount *help
¥17,160,000 (Direct Cost: ¥13,200,000、Indirect Cost: ¥3,960,000)
Fiscal Year 2026: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2025: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2024: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2023: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Keywords孤立・孤独 / 家計 / ファイナンス / メンタルヘルス / 行動変容 / コロナ禍
Outline of Research at the Start

本研究は、「孤立・孤独」問題に、家計の変化が人々の孤立・孤独に与える影響のメカニズムを解明する。具体的には、コロナ禍前に開始した、UCLA孤立・孤独指標を含んだオリジナルの全国家計パネル調査を、回帰不連続デザイン、差分の差分法、固定効果推計等の手法を用いて、家計の変化が人々の孤立・孤独に与える影響のメカニズムを解明する。

Outline of Annual Research Achievements

本研究は極めて順調に推移し、家計の変化が人々の孤立・孤独に与える影響のメカニズムの解明に関し、当初の計画を大幅に上回る成果が出ている。令和6年度は、テーマに関連する研究成果のインパクトファクター付きの国際学術誌に採択された12本の論文掲載である(うち1本は前年度の繰越金を利用)。令和6年度は、長期のパネル継続によるサンプルサイズの減少と調査会社の方針転換により従来のパネル使用が困難になったため、データの収集の継続を中止し、その分、既存データの分析と論文の執筆に従事。さらに、研究環境のDX化を進め、オンラインの活用により、研究打ち合わせを効率化することに成功した。これらにより、論文執筆作業の効率が大きく向上した。
結果として、令和6年度は、研究成果として以下の成果を残した。前述のように、インパクトファクター付きの国際学術誌に採択された12本の論文掲載である(うち1本は前年度の繰越金を利用)。論文が採択された雑誌はBehavioral Sciences: Behavioral Economics(インパクトファクター=2.5× 3本*うち1本は繰越金を利用)、Plos One (インパクトファクター=2.7x 3本)、Risks (インパクトファクター=2.0x 3本)、Cogent Economics & Finance (インパクトファクター=2.0×2本)、Heliyon (インパクトファクター=3.4x 1本)である。加えてインパクトファクターがない成果としてAsia Pacific Journal of Health Management(1本)がある。
なお、上記成果に加え、年度末時点では査読付き国際学術誌に投稿し、査読中の論文がさらに5本ある。

Current Status of Research Progress
Current Status of Research Progress

1: Research has progressed more than it was originally planned.

Reason

本研究は極めて順調に推移し、当初の計画を大幅に上回る成果が出ているとする理由は、令和6年度に当該テーマに関する論文12本がインパクトファクター付きの国際学術誌に採択されたことによる(うち1本は前年度の繰越金を利用)。令和6年度は、長期のパネル継続によるサンプルサイズの減少と調査会社の方針転換により従来のパネル使用が困難になったため、データの収集の継続を中止し、その分、既存データの分析と論文の執筆に従事。さらに、研究環境のDX化を進め、オンラインの活用により、研究打ち合わせを効率化することに成功した。これらにより、論文執筆作業の効率が大きく向上した。
結果として、令和6年度は、研究成果として以下の成果を残した。前述のように、インパクトファクター付きの国際学術誌に採択された12本の論文掲載である(うち1本は前年度の繰越金を利用)。論文が採択された雑誌はBehavioral Sciences: Behavioral Economics(インパクトファクター=2.5× 3本*うち1本は繰越金を利用)、Plos One (インパクトファクター=2.7x 3本)、Risks (インパクトファクター=2.0x 3本)、Cogent Economics & Finance (インパクトファクター=2.0×2本)、Heliyon (インパクトファクター=3.4x 1本)である。さらにインパクトファクターがない成果としてAsia Pacific Journal of Health Management(1本)がある。

Strategy for Future Research Activity

令和6年度に書き上げて現在査読中の論文が5本ある。令和7年度はこれらの論文を採択へとつなげる他、昨年度に分析を開始したものの、書き上げていない新たな2本の論文についても発表を目指す。

Report

(2 results)
  • 2024 Research-status Report
  • 2023 Annual Research Report
  • Research Products

    (24 results)

All 2025 2024 2023 Other

All Journal Article (21 results) (of which Peer Reviewed: 16 results,  Open Access: 16 results) Remarks (2 results) Funded Workshop (1 results)

  • [Journal Article] The Impact of Hyperbolic Discounting on Asset Accumulation for Later Life: A Study of Active Investors Aged 65 Years and over in Japan2025

    • Author(s)
      Nabeshima Honoka、Lal Sumeet、Izumi Haruka、Himeno Yuzuha、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Risks

      Volume: 13 Issue: 1 Pages: 8-8

    • DOI

      10.3390/risks13010008

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Evaluating the investment performance of Japanese households: A comparison between professional financial advice and free financial advice2025

    • Author(s)
      Kadoya Yoshihiko、Lal Sumeet、Shinohara Jin、Rahim Khan Mostafa Saidur
    • Journal Title

      Heliyon

      Volume: 11 Issue: 3 Pages: e42213-e42213

    • DOI

      10.1016/j.heliyon.2025.e42213

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] What determines investment in the Nippon Individual Savings Account? an investigation of Japan’s tax-exempt investment account2025

    • Author(s)
      Katauke Takuya、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      PLOS ONE

      Volume: 20 Issue: 2 Pages: e0313433-e0313433

    • DOI

      10.1371/journal.pone.0313433

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] A Global Bibliometric Analysis of Loneliness During the COVID-19 Pandemic: Future research and policy implications2025

    • Author(s)
      Nguyen Trinh Thi Xuan、Lal Sumeet、Kadoya Yoshihiko
    • Journal Title

      Asia Pacific Journal of Health Management

      Volume: -

    • DOI

      10.24083/apjhm.v20i1.3961

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Beyond knowledge: the impact of financial attitude and behavior on panic selling during market crises2025

    • Author(s)
      Homma Daiki、Fukazawa Takaaki、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Cogent Economics & Finance

      Volume: 13 Issue: 1

    • DOI

      10.1080/23322039.2025.2476090

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Overconfidence, financial literacy, and panic selling: Evidence from Japan2025

    • Author(s)
      Bawalle Aliyu Ali、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      PLOS ONE

      Volume: 20 Issue: 3 Pages: e0315622-e0315622

    • DOI

      10.1371/journal.pone.0315622

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Temporal dynamics of payment choices: Unraveling the interplay between time preferences and credit card utilization in Japan2024

    • Author(s)
      Kuramoto Yu、Takeuchi Koichiro、Nabeshima Honoka、Nakamichi Sarasa、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Cogent Economics & Finance

      Volume: 12 Issue: 1

    • DOI

      10.1080/23322039.2024.2369278

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Unraveling Investor Behavior: The Role of Hyperbolic Discounting in Panic Selling Behavior on the Global COVID-19 Financial Crisis2024

    • Author(s)
      Lal Sumeet、Nguyen Trinh Xuan Thi、Bawalle Aliyu Ali、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Behavioral Sciences

      Volume: 14 Issue: 9 Pages: 795-795

    • DOI

      10.3390/bs14090795

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Behavioral Biases in Panic Selling: Exploring the Role of Framing during the COVID-19 Market Crisis2024

    • Author(s)
      Kuramoto Yu、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Risks

      Volume: 12 Issue: 10 Pages: 162-162

    • DOI

      10.3390/risks12100162

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Navigating Time-Inconsistent Behavior: The Influence of Financial Knowledge, Behavior, and Attitude on Hyperbolic Discounting2024

    • Author(s)
      Bawalle Aliyu Ali、Lal Sumeet、Nguyen Trinh Xuan Thi、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Behavioral Sciences

      Volume: 14 Issue: 11 Pages: 994-994

    • DOI

      10.3390/bs14110994

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Impact of financial literacy and education on breast and cervical cancer screening participation in Japan2024

    • Author(s)
      Bawalle Aliyu Ali、Nguyen Trinh Xuan Thi、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      PLOS ONE

      Volume: 19 Issue: 11 Pages: e0313687-e0313687

    • DOI

      10.1371/journal.pone.0313687

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Emotional Instability and Financial Decisions: How Neuroticism Fuels Panic Selling2024

    • Author(s)
      Khan Mostafa Saidur Rahim、Yoshimura Hiroumi、Kadoya Yoshihiko
    • Journal Title

      Risks

      Volume: 12 Issue: 12 Pages: 203-203

    • DOI

      10.3390/risks12120203

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Could Having Access to Real-Time Data on Your Emotions Influence Subsequent Behavior? Evidence from a Randomized Controlled Trial of Japanese Office Workers2024

    • Author(s)
      Kadoya Yoshihiko、Fukuda Sayaka、Khan Mostafa Saidur Rahim
    • Journal Title

      Behavioral Sciences

      Volume: 14 Issue: 3 Pages: 169-169

    • DOI

      10.3390/bs14030169

    • Related Report
      2023 Annual Research Report
  • [Journal Article] How Does Smartphone Use Impact Loneliness in the Post-COVID Landscape in Japan?2024

    • Author(s)
      Kuramoto Yu、Nabeshima Honoka、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Behavioral Sciences

      Volume: 14 Issue: 4 Pages: 294-294

    • DOI

      10.3390/bs14040294

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Pandemic Fatigue in Japan: Factors Affecting the Declining COVID-19 Preventive Measures2023

    • Author(s)
      Sulemana Abdul-Salam、Lal Sumeet、Nguyen Trinh Xuan Thi、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Sustainability

      Volume: 15 Issue: 7 Pages: 6220-6220

    • DOI

      10.3390/su15076220

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Time Discounting and Hand-Sanitization Behavior: Evidence from Japan2023

    • Author(s)
      Lal Sumeet、Nguyen Trinh Xuan Thi、Sulemana Abdul-Salam、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Sustainability

      Volume: 15 Issue: 8 Pages: 6488-6488

    • DOI

      10.3390/su15086488

    • Related Report
      2023 Annual Research Report
  • [Journal Article] The Association of Caregivers’ Socio-Economic Conditions with Family Caregiving Norms: Evidence from China2023

    • Author(s)
      Kuramoto Yu、Nabeshima Honoka、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Behavioral Sciences

      Volume: 13 Issue: 5 Pages: 362-362

    • DOI

      10.3390/bs13050362

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Impulsivity and Alcohol-Drinking Behavior: Evidence from Japan2023

    • Author(s)
      Fukuda Sayaka、Katauke Takuya、Hattori Saki、Tanaka Soma、Kurushima Yu、Arakawa Yoichi、Ikeda Nao、Kinoshita Haruka、Urayama Mikito、Shimizu Ryota、Anan Tomohide、Ifuku Shinya、Shiwaku Yuta、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Behavioral Sciences

      Volume: 13 Issue: 5 Pages: 391-391

    • DOI

      10.3390/bs13050391

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Loneliness during the COVID-19 Pandemic: A Comparison of Urban and Rural Areas2023

    • Author(s)
      Sulemana Abdul-Salam、Nguyen Trinh Xuan Thi、Lal Sumeet、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Sustainability

      Volume: 15 Issue: 16 Pages: 12218-12218

    • DOI

      10.3390/su151612218

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Information Sources for Investment Decisions: Evidence from Japanese Investors2023

    • Author(s)
      Lal Sumeet、Sulemana Abdul-Salam、Nguyen Trinh Xuan Thi、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      International Journal of Financial Studies

      Volume: 11 Issue: 4 Pages: 117-117

    • DOI

      10.3390/ijfs11040117

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Does the Easing of COVID-19 Restrictive Measures Improve Loneliness Conditions? Evidence from Japan2023

    • Author(s)
      Nabeshima Honoka、Kuramoto Yu、Khan Mostafa Saidur Rahim、Kadoya Yoshihiko
    • Journal Title

      Sustainability

      Volume: 15 Issue: 24 Pages: 16891-16891

    • DOI

      10.3390/su152416891

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Remarks] 角谷研究室ホームページ

    • URL

      https://home.hiroshima-u.ac.jp/~ykadoya/ja/

    • Related Report
      2024 Research-status Report
  • [Remarks] 角谷快彦研究室

    • URL

      https://home.hiroshima-u.ac.jp/~ykadoya/ja/

    • Related Report
      2023 Annual Research Report
  • [Funded Workshop] HiHER Interntaional Workshop with Astghik Mavisakalyan (Curtin University)2025

    • Related Report
      2024 Research-status Report

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Published: 2023-04-18   Modified: 2025-12-26  

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