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Effects of labor share in Indonesian agriculture on income inequality

Research Project

Project/Area Number 17K07991
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Agricultural science in rural society and development
Research InstitutionKobe University

Principal Investigator

Hondai Susumu  神戸大学, 国際協力研究科, 名誉教授 (70138569)

Co-Investigator(Kenkyū-buntansha) 中村 和敏  長崎県立大学, 地域創造学部, 准教授 (40304084)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywords所得格差 / 労働分配率 / 労働市場構造 / 労働の限界生産力 / 教育の収益率 / 実質賃金率 / 学歴別賃金格差 / 雇用形態別賃金格差 / 労働市場の構造 / 付加価値配分 / 稲作生産関数 / 過剰就業 / ルイス転換点 / 付加価値の分配 / 労働の限界生産性
Outline of Final Research Achievements

Our analyses found that although marginal products of agricultural labor are equal to agricultural wage rates in a couple of provinces, the former are lower than the latter in many other provinces in Indonesia. It implies that their economies are still the labor surplus economy in which wage rates are inflexible to downwards. We found also that the labor shares in the agricultural and non-agricultural sectors decline when average productivities of labor increase in the labor surplus economy. This declining labor share is the main factor which leads to widening income inequality.
The labor shares have been still declining in many provinces in Indonesia. However, they have been increasing already in some provinces which passed the turning point from a labor surplus to a labor shortage stage. In latter provinces, a wage gap between formal and informal employees has been declining significantly and their income inequality has been also declining.

Academic Significance and Societal Importance of the Research Achievements

成果の重要な意義は、開発途上国における所得格差の拡大は、経済発展に伴う農業や製造業の生産構造の変化により、生産要素に対する付加価値分配が変化し、そのために発生していることを探し当てたことである。特に農業における過剰就業によって生じる労働分配率の低下が、所得格差拡大や貧困問題の根源であることを証明した。
したがって、これらの問題に対する根源的な解決策は、農業における過剰就業の解消である。具体的には労働の過剰就業から不足への転換点の到来をできるだけ速くし、実質賃金率が上昇するように経済構造を変革し、労働分配率が上昇するような生産構造へ移行させる方策が重要であることを研究成果は示唆している。

Report

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

    (19 results)

All 2019 2018 2017

All Journal Article (10 results) (of which Int'l Joint Research: 1 results,  Open Access: 2 results,  Peer Reviewed: 6 results) Presentation (9 results) (of which Int'l Joint Research: 4 results)

  • [Journal Article] インドネシアにおける常勤雇用者の学歴間賃金格差と教育の収益率2019

    • Author(s)
      本台 進
    • Journal Title

      大東文化大学経済論集

      Volume: 第112号 Pages: 113-132

    • NAID

      120006826862

    • Related Report
      2019 Annual Research Report
    • Open Access
  • [Journal Article] インドネシアにおける学歴間賃金格差と教育の収益率2019

    • Author(s)
      本台 進
    • Journal Title

      国際開発学会第30回全国大会報告論文集

      Volume: - Pages: 682-696

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Yield Gaps among Oil Palm Smallholers in Indonesia: Evidence from Riau Province2019

    • Author(s)
      Nakamura, Kazutoshi
    • Journal Title

      15th Indonesian Regional Science Association International Conference, Banda Ache

      Volume: - Pages: 184-185

    • Related Report
      2019 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 労働市場の構造と賃金率:ジャワとバリにおける比較2019

    • Author(s)
      本台 進
    • Journal Title

      大東文化大学経済学会『経済論集』

      Volume: 第111号 Pages: 45-62

    • Related Report
      2018 Research-status Report
  • [Journal Article] ジャワとバリにおける農村労働市場の構造と賃金率および労働生産性2018

    • Author(s)
      本台 進
    • Journal Title

      国際開発学会第29回全国大会発表論文集

      Volume: 無

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] Measuring Risk Preference: Evidence from Rice Farmers in West Jawa2018

    • Author(s)
      Nakamura, Kazutoshi
    • Journal Title

      Conference Proceedings, the 14th International Regional Science Association Conference, Strengthening Regional and Local Economies

      Volume: 1 Pages: 1238-1247

    • Related Report
      2018 Research-status Report
    • Peer Reviewed
  • [Journal Article] 輸入代替政策による産業開発の限界―インドネシアの自動車産業―2018

    • Author(s)
      本台 進
    • Journal Title

      大東文化大学経済論集

      Volume: 第109号 Pages: 41-62

    • Related Report
      2017 Research-status Report
  • [Journal Article] インドネシア自動車産業政策と日系部品メーカーの対応―地場自動車部品産業の形成―2017

    • Author(s)
      本台 進
    • Journal Title

      国際開発学会第28回全国大会報告論文集

      Volume: なし Pages: 233-236

    • Related Report
      2017 Research-status Report
  • [Journal Article] Foreign Direct Investment, Productivity Spillovers and Regional Development: Evidence from Indonesia2017

    • Author(s)
      Nakamura, Kazutoshi
    • Journal Title

      The 6th IRSA International Institute Maritime Infrastructure and Regional Development: Collection of Abstracts

      Volume: なし Pages: 85-86

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] The Impact of Clean Water Access on Children Performance in Indonesia2017

    • Author(s)
      I Wayan Sukadana and Kazutoshi Nakamura
    • Journal Title

      The 6th IRSA International Institute Maritime Infrastructure and Regional Development: Collection of Abstracts

      Volume: なし Pages: 41-41

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Int'l Joint Research
  • [Presentation] インドネシアにおける雇用者の学歴間賃金格差と教育の収益率2019

    • Author(s)
      本台 進
    • Organizer
      国際開発学会および人間の安全保障学会
    • Related Report
      2019 Annual Research Report
  • [Presentation] Yild Gaps among Oil Palm Smallholders in Indonesia2019

    • Author(s)
      Nakamura, Kazutoshi
    • Organizer
      Indonesian Regional Science Association
    • Related Report
      2019 Annual Research Report
  • [Presentation] Labor Productivities and Wage Rates of Agricultural Sector in Jawa and Bali, Indonesia2018

    • Author(s)
      Hondai, Susumu
    • Organizer
      East Asian Economic Association
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] ジャワとバリにおける農村労働市場の構造と賃金率および労働生産性2018

    • Author(s)
      本台 進
    • Organizer
      国際開発学会
    • Related Report
      2018 Research-status Report
  • [Presentation] Measuring Risk Preference: Evidence from Rice Farmers in West Java2018

    • Author(s)
      Nakamura, Kazutoshi
    • Organizer
      International Regional Science Association (IRSA)
    • Related Report
      2018 Research-status Report
    • Int'l Joint Research
  • [Presentation] インドネシア自動車産業政策と日系部品メーカーの対応―地場自動車部品産業の形成―2017

    • Author(s)
      本台 進
    • Organizer
      国際開発学会
    • Related Report
      2017 Research-status Report
  • [Presentation] Foreign Direct Investment, Productivity Spillovers and Regional Development: Evidence from Indonesia2017

    • Author(s)
      Nakamura, Kazutoshi
    • Organizer
      Indonesian Regional Science Association
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] The Impact of Clean Water Access on Children Performance in Indonesia2017

    • Author(s)
      I Wayan Sukadana and Kazutoshi Nakamura
    • Organizer
      Indonesian Regional Science Association
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research
  • [Presentation] リスク回避度と損失回避係数の計測―インドネシア・西ジャワ州の事例―2017

    • Author(s)
      中村和敏
    • Organizer
      国際開発学会
    • Related Report
      2017 Research-status Report

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Published: 2017-04-28   Modified: 2021-02-19  

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