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Under what conditions do poverty traps appear and persist? An international comparative analysis of long-term farm households panel data

Research Project

Project/Area Number 23KK0026
Research Category

Fund for the Promotion of Joint International Research (International Collaborative Research)

Allocation TypeMulti-year Fund
Review Section Medium-sized Section 7:Economics, business administration, and related fields
Research InstitutionKyoto University

Principal Investigator

加治佐 敬  京都大学, 農学研究科, 教授 (50377131)

Co-Investigator(Kenkyū-buntansha) Mohammad AbdulMalek  宮崎国際大学, 国際教養学部, 教授 (20838958)
木附 晃実  九州大学, 基幹教育院, 准教授 (40837655)
Project Period (FY) 2023-09-08 – 2027-03-31
Project Status Granted (Fiscal Year 2024)
Budget Amount *help
¥20,930,000 (Direct Cost: ¥16,100,000、Indirect Cost: ¥4,830,000)
Fiscal Year 2026: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2025: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2024: ¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
Fiscal Year 2023: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords貧困の罠 / 長期家計パネルデータ / アジア / アフリカ
Outline of Research at the Start

世界的最重要課題である貧困削減を実現するためには、「貧困の罠(家計が自力では貧困から抜け出せない状態)」のメカニズムを解明する必要がある。具体的には、(1)どのような条件の場合に罠が現れ、そして(2)それが長期にわたり続くのかという問いに答える必要がある。本研究ではアジア(フィリピン、バングラデシュ、インド)とアフリカ(ザンビア)の長期家計パネルデータを貧困の罠の分析に適した形に整備・拡充し、国際比較分析を行うことで(1)と(2)に答えることを目指す。

Outline of Annual Research Achievements

本年度はフィリピンとバングラデシュで計画通りデータの収集作業を行い完了した。フィリピンは現在農地改革が進行中であり、土地持ち農家が増加すると同時に、すでに農地を保有している農家の間でも今まであやふやであった農地の権利が確定してきている。資産の増加が貧困の罠からの脱出のための決定要因として重要だと指摘されていることを踏まえ、土地という資産の保有状況変化に関する詳細なデータ収集を行った。バングラデシュは、これまで進めてきたパネルデータのフォーマットに準拠し新ラウンドのデータを収集し、長期変化の分析が2023年まで可能となった。インドは、農家の生産と消費の長期変化が記述統計とグラフから分かるようにデータを整理する作業を行った。ザンビアはパネルデータのベースとなるデータが2005年に収集されたものであるが、すでに20年近く経過し、同じ家計を追跡調査することの困難が予想されたため、今年度は追跡のためのプロトコルの作成に集中し、本調査は来年度実施することとした。
フィリピン、バングラデシュは既存のデータを使った分析も同時に進め、その結果を8月にインドで開催された国際農業経済学会でシンポジウム企画として公表した。シンポジウムのタイトルは”Long-Term Dynamics, Structural Transformation, and Climate Actions in Asian Agriculture, Rural Economy, and Food System”である。シンポジウム後半のパネルディスカッションでは、他国(タイ、インドネシア、中国)との比較が行われ、本研究課題の国際的な位置づけを把握するのに有益であった。

Current Status of Research Progress
Current Status of Research Progress

3: Progress in research has been slightly delayed.

Reason

ザンビア調査の準備を慎重に行う必要があると判断したため、今年度は準備年とし、来年度に本調査を実施することとした。

Strategy for Future Research Activity

フィリピン、バングラデシュ、インドはデータがそろい整備も終わったので、統計分析に入る。フィリピンは農地改革が農業生産に与える影響の分析を通して、貧困からの脱出についての含意を得る。バングラデシュは、農村の労働不足と女性の農業労働参加というかつてなかった現象が現れてきているので、その変化の農業生産と家計所得に与える分析を行う。インドは、長期の家計所得動態をまとめ、貧困脱出家計と停滞家計の特徴比較を行う。ザンビアは本調査を行う。

Report

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

    (23 results)

All 2025 2024 2023 Other

All Int'l Joint Research (8 results) Journal Article (5 results) (of which Int'l Joint Research: 3 results,  Peer Reviewed: 4 results,  Open Access: 3 results) Presentation (10 results) (of which Int'l Joint Research: 7 results,  Invited: 5 results)

  • [Int'l Joint Research] International Rice Research Institute(フィリピン)

    • Country Name
      PHILIPPINES
    • Counterpart Institution
      International Rice Research Institute
    • Related Report
      2024 Research-status Report
  • [Int'l Joint Research] BIDS(バングラデシュ)

    • Country Name
      BANGLADESH
    • Counterpart Institution
      BIDS
    • Related Report
      2024 Research-status Report
  • [Int'l Joint Research] ICRISAT(インド)

    • Country Name
      INDIA
    • Counterpart Institution
      ICRISAT
    • Related Report
      2024 Research-status Report
  • [Int'l Joint Research] University of Zambia(ザンビア)

    • Country Name
      ZAMBIA
    • Counterpart Institution
      University of Zambia
    • Related Report
      2024 Research-status Report
  • [Int'l Joint Research] IRRI(フィリピン)

    • Country Name
      PHILIPPINES
    • Counterpart Institution
      IRRI
    • Related Report
      2023 Research-status Report
  • [Int'l Joint Research] BIDS(バングラデシュ)

    • Country Name
      BANGLADESH
    • Counterpart Institution
      BIDS
    • Related Report
      2023 Research-status Report
  • [Int'l Joint Research] ICRISAT(インド)

    • Country Name
      INDIA
    • Counterpart Institution
      ICRISAT
    • Related Report
      2023 Research-status Report
  • [Int'l Joint Research] University of Zambia/Zambia Statistical Agency(ザンビア)

    • Country Name
      ZAMBIA
    • Counterpart Institution
      University of Zambia/Zambia Statistical Agency
    • Related Report
      2023 Research-status Report
  • [Journal Article] COVID-19, food insecurity and panic buying behavior: Evidence from rural Bangladesh2024

    • Author(s)
      Malek Mohammad Abdul、Truong Hoa Thi、Sonobe Tetsushi
    • Journal Title

      Food Security

      Volume: 17 Pages: 101~125

    • DOI

      10.1007/s12571-024-01515-3

    • Related Report
      2024 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Infrastructure and Structural Transformation: Evidence from Satellite, Administrative, and Multi-Generation Household Data in a Developing Country2024

    • Author(s)
      Kim, S., Higuchi, Y., Kajisa, K., and Sawada, Y.
    • Journal Title

      CREPE DISCUSSION PAPER

      Volume: 161 Pages: 1-75

    • Related Report
      2024 Research-status Report
    • Open Access
  • [Journal Article] Performance of Community-Based Tank Irrigation System and Its Determinants: Evidence from Tamil Nadu, India2023

    • Author(s)
      Sarujan, S., Kajisa, K., Sakurai, T.
    • Journal Title

      The Developing Economies

      Volume: 61 Pages: 232-252

    • DOI

      10.1111/deve.12347

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Impact of Rural Credit on Household Welfare: Evidence from a Long-Term Panel in Bangladesh.2023

    • Author(s)
      MD. Alamgir Hossain, Abdul Malek, and Zhengfei Yu.
    • Journal Title

      Asian Development Review

      Volume: 40-2 Pages: 363-397

    • DOI

      10.1142/S0116110523500166.

    • Related Report
      2023 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Vulnerability to seasonal food insecurity as an exposure to risk: the case of the Southern Province of Zambia2023

    • Author(s)
      Kitsuki, A., and Sakurai, T
    • Journal Title

      Agriculture and Food Security

      Volume: 12 Pages: xxx

    • DOI

      10.1186/s40066-023-00442-4

    • Related Report
      2023 Research-status Report
    • Peer Reviewed
  • [Presentation] Mahabub Hossain Panel Data (MHPD) for Long-Term Investigation: Background, Current State and the Next Step.2025

    • Author(s)
      Mohammad Abdul Malek
    • Organizer
      Department of Economics, University of Dhaka, Bangladesh at January 2nd 2025.
    • Related Report
      2024 Research-status Report
    • Invited
  • [Presentation] Mahabub Hossain Panel Data (MHPD) for Long-Term Investigation: Background, Current State and the Next Step.2025

    • Author(s)
      Mohammad Abdul Malek
    • Organizer
      IRRI, Phillippines at Febriary 18th 2025.
    • Related Report
      2024 Research-status Report
    • Invited
  • [Presentation] Paddy Cultivation As an Origin of Cooperative Norms: Evidence from Natural and Lab-in-the-Field Experiments2024

    • Author(s)
      Kei Kajisa
    • Organizer
      International Conference of Agricultural Economics
    • Related Report
      2024 Research-status Report
    • Int'l Joint Research
  • [Presentation] Changes in Rice Farming in the Philippines from 1966 to 2024: Insights from the Central Luzon Loop Survey.2024

    • Author(s)
      Kei Kajisa
    • Organizer
      International Conference of Agricultural Economics
    • Related Report
      2024 Research-status Report
    • Int'l Joint Research
  • [Presentation] Mahabub Hossain Panel Data (MHPD) for Long-Term Investigation: Background, Current State and the Next Step.2024

    • Author(s)
      Mohammad Abdul Malek
    • Organizer
      IAAE-ASAE Symposium, 2nd-7th August 2024, New Delhi.
    • Related Report
      2024 Research-status Report
    • Int'l Joint Research
  • [Presentation] Revolutionizing Agriculture with the Smart Farming Mobile App.2024

    • Author(s)
      Mohammad Abdul Malek
    • Organizer
      3rd International Conference on Japan?Bangladesh Research and Practice (JBRP2024), November 29-30, 2024, Okinawa, Japan.
    • Related Report
      2024 Research-status Report
    • Int'l Joint Research
  • [Presentation] Paddy Cultivation as an Origin of Cooperative Norms: Evidence from Natural and Lab-in-the-Field Experiments2023

    • Author(s)
      加治佐敬
    • Organizer
      水文水資源学会・日本水文科学会
    • Related Report
      2023 Research-status Report
  • [Presentation] Evidence-based Social Science Research- an application of heterogeneous analyses using agricultural microcredit field experiment2023

    • Author(s)
      Mohammad Abdul Malek
    • Organizer
      The 2nd International Conference on Japan-Bangladesh Research and Practice (JBRP) 2023.
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Credit Access and Women's Bargaining Power within the Household: Evidence from a Randomized Controlled Trial.2023

    • Author(s)
      Mohammad Abdul Malek
    • Organizer
      The 2nd International Conference on Japan-Bangladesh Research and Practice (JBRP) 2023.
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research / Invited
  • [Presentation] Introducing Mahabub Hossain Panel Data (MHPD) for measuring the adoption and impact of Agricultural Innovations.2023

    • Author(s)
      Mohammad Abdul Malek
    • Organizer
      Consultation Meeting on Measuring the Adoption and Impact of CGIAR-related Aagricultural Innovations in Bangladesh
    • Related Report
      2023 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2023-09-12   Modified: 2025-12-26  

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