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Research on the Factors Driving Financial Over-Indebtedness and the Impacts of the Interest Rate Ceiling on the Microfinance Sector: The Cambodian Case and International Comparison Analysis

Research Project

Project/Area Number 18K01604
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 07040:Economic policy-related
Research InstitutionSaitama University

Principal Investigator

Samreth Sovannroeun  埼玉大学, 人文社会科学研究科, 教授 (90614371)

Project Period (FY) 2018-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2021: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2020: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
KeywordsInterest rate ceiling, / Microfinance, / Financial inclusion, / Debt burden / Microfinance / Interest rate ceiling / Financial inclusion / Credit rationing / Cambodia / Indebtedness / Over-indebtedness
Outline of Final Research Achievements

Based on the analysis of data and information from field surveys and relevant institutions, our research found that the imposition of the interest rate ceiling has led to a decline in the average credit costs for microfinance borrowing households. However, the ceiling imposition could result in credit rationing for relatively low-income households. This result is consistent with international experience. The research also confirmed an increase in the average loan amount for relatively low loan amounts. The analysis indicated that higher loan amounts resulted in a higher debt burden (measured as the debt service-to-income ratio). Consequently, for households with relatively small borrowing amounts, the debt burden may have increased after the ceiling imposition. Our research also confirmed the important role of financial literacy in reducing the debt burden among microfinance borrowers.

Academic Significance and Societal Importance of the Research Achievements

This study contributed to the literature by providing new evidence on the impact of the interest rate ceiling on the microfinance sector in a developing economy. It also provided implications for policymakers regarding the balance between protecting borrowers and enhancing the microfinance sector.

Report

(7 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (18 results)

All 2023 2022 2021 2020 2019 2018 Other

All Int'l Joint Research (1 results) Journal Article (9 results) (of which Int'l Joint Research: 4 results,  Peer Reviewed: 2 results,  Open Access: 8 results) Presentation (8 results) (of which Int'l Joint Research: 3 results,  Invited: 3 results)

  • [Int'l Joint Research] Credit Bureau Cambodia (CBC)/Cambodia Microfinance Association (CMA)(カンボジア)

    • Related Report
      2020 Research-status Report
  • [Journal Article] Impact of the interest rate ceiling on credit cost, loan size, and informal credit in the microfinance sector: evidence from a household survey in Cambodia2023

    • Author(s)
      Samreth Sovannroeun、Aiba Daiju、Oeur Sothearoath、Vat Vanndy
    • Journal Title

      Empirical Economics

      Volume: 65 Issue: 6 Pages: 2627-2667

    • DOI

      10.1007/s00181-023-02443-5

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] What Explain High Interest Rates in Microfinance Loans? Evidence from the Case of a Newly Introduced Interest Rate Cap Policy in Cambodia2022

    • Author(s)
      Daiju Aiba, Sovannroeun Samreth
    • Journal Title

      Research Center for Sustainable Development in East Asia, Saitama University, Discussion Paper Series

      Volume: SU-RCSDEA 2022-001 Pages: 1-29

    • Related Report
      2021 Research-status Report
    • Open Access
  • [Journal Article] カンボジアにおける新型コロナウイルス感染症の影響と対応2022

    • Author(s)
      サムレト ソワンルン、藤川 清史
    • Journal Title

      愛知学院大学経済研究所所報

      Volume: 2 Pages: 160-173

    • Related Report
      2021 Research-status Report
    • Open Access
  • [Journal Article] Impacts of the Interest Rate Ceiling on Microfinance Sector in Cambodia: Evidence from a Household Survey2021

    • Author(s)
      Sovannroeun Samreth, Daiju Aiba, Sothearoath Oeur and Vanndy Vat
    • Journal Title

      JICA Ogata Research Institute Working Paper

      Volume: No.219 Pages: 1-55

    • Related Report
      2020 Research-status Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The Impact of Interest Rate Cap Policy on the Lending Behavior of Microfinance Institutions in Cambodia: Evidence from Millions of Observations in the Credit Registry Database2020

    • Author(s)
      Daiju Aiba, Sovannroeun Samreth, Sothearoath Oeur and Vanndy Vat
    • Journal Title

      Research Center for Sustainable Development in East Asia, Saitama University, Discussion Paper Series

      Volume: SU-RCSDEA 2020-008 Pages: 1-51

    • Related Report
      2020 Research-status Report
    • Open Access / Int'l Joint Research
  • [Journal Article] Economic Growth and Dollarization in Cambodia2019

    • Author(s)
      Sovannroeun Samreth and Hidenobu Okuda
    • Journal Title

      Asian Studies

      Volume: 65 Issue: 1 Pages: 61-78

    • DOI

      10.11479/asianstudies.65.1_61

    • NAID

      130007626113

    • ISSN
      0044-9237, 2188-2444
    • Year and Date
      2019-01-31
    • Related Report
      2018 Research-status Report
    • Open Access
  • [Journal Article] Dollarization Dilemma: Price Stability at the Cost of External Competitiveness in Cambodia2019

    • Author(s)
      Sovannroeun Samreth, Miguel Sánchez-Martín and Sodeth Ly
    • Journal Title

      World Bank Policy Research Working Paper

      Volume: No.8893 Pages: 1-32

    • Related Report
      2019 Research-status Report
    • Open Access / Int'l Joint Research
  • [Journal Article] Oil Bonanza and the Composition of Government Expenditure2019

    • Author(s)
      Keisuke Okada and Sovannroeun Samreth
    • Journal Title

      MPRA Paper

      Volume: No.96657 Pages: 1-31

    • Related Report
      2019 Research-status Report
    • Open Access
  • [Journal Article] Revisiting the Impacts of Exchange Rate Movement on the Dollarization Process in Cambodia2019

    • Author(s)
      Sovannroeun Samreth and Pagna Sok
    • Journal Title

      Social Science Review (Saitama University)

      Volume: 156 Pages: 119-134

    • Related Report
      2018 Research-status Report
    • Open Access
  • [Presentation] Impact of the Interest Rate Ceiling on Credit Cost, Loan Size, and Informal Credit in the Microfinance Sector: Evidence from a Household Survey in Cambodia2022

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      Singapore Economic Review (SER) Conference 2022
    • Related Report
      2022 Research-status Report
    • Int'l Joint Research
  • [Presentation] Impacts of COVID-19 in Cambodia and National and International Responses2021

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      Aichi Gakuin University(AGU)-Royal University of Phonom Penh (RUPP) Online Joint Seminar
    • Related Report
      2021 Research-status Report
  • [Presentation] Impacts of Interest Rate Ceiling on Microfinance Sector in Cambodia: Evidence from a Household Survey2021

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      Cambodia's Interest Rate Ceiling Committee Meeting
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Impacts of Interest Rate Ceiling on Microfinance Sector in Cambodia: Evidence from a Household Survey2020

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      Workshop organized by the National Bank of Cambodia and the Cambodia Microfinance Association
    • Related Report
      2020 Research-status Report
  • [Presentation] Impacts of Interest Rate Ceiling on Microfinance Sector in Cambodia: Preliminary Results from a Household Survey2020

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      JICA-RI Lunch Seminar
    • Related Report
      2020 Research-status Report
    • Invited
  • [Presentation] Livelihood of the Poor in Cambodia: Evidence from a Study of Financial Diaries in a Commune2019

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      JICA-RI Lunch Seminar
    • Related Report
      2019 Research-status Report
    • Invited
  • [Presentation] Dollarization Dilemma: Price Stability at the Cost of External Competitiveness in Cambodia2019

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      Singapore Economic Review Conference
    • Related Report
      2019 Research-status Report
    • Int'l Joint Research
  • [Presentation] Revisiting the Impacts of Exchange Rate Movement on the Dollarization Process in Cambodia2018

    • Author(s)
      Sovannroeun Samreth
    • Organizer
      The 16th International Convention of the East Asian Economic Association
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research

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Published: 2018-04-23   Modified: 2025-01-30  

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