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2017 Fiscal Year Annual Research Report

The position of "Green Revolution" in the economic development of sub-Saharan Africa: comparisons with Asia

Research Project

Project/Area Number 16H02733
Research InstitutionThe University of Tokyo

Principal Investigator

櫻井 武司  東京大学, 大学院農学生命科学研究科(農学部), 教授 (40343769)

Co-Investigator(Kenkyū-buntansha) 加治佐 敬  青山学院大学, 国際政治経済学部, 教授 (50377131)
木島 陽子  政策研究大学院大学, 政策研究科, 教授 (70401718)
中野 優子  筑波大学, 人文社会系, 准教授 (60648674)
Project Period (FY) 2016-04-01 – 2021-03-31
Keywords海外学術調査 / 緑の革命 / サブサハラ・アフリカ / パネル・データ / 稲作
Outline of Annual Research Achievements

ザンビアでは,平成30年8月にベースライン調査を実施し,同10月にコメの種子の販売実験を行った.実験にあたっては,精米所までの交通費(規定額)を支給するバウチャーをランダムに割り当て,需要に及ぼす効果を測定した。種子販売が,稲作とその後の精米に与えた影響については,令和1年5~6月に実施するフォローアップ調査により解明する.ガーナでは,平成29年度に予備調査を実施して,アロマを持つ新品種が急速に広まっていることが確認できた.そこで,平成30年度にはベースラインとなる本調査を実施し,種子や生産した籾米の品質にかかわる介入実験を行った.令和1年度には介入が農民の稲作技術採用に及ぼすインパクトを測定するためのエンドライン調査を実施する.モザンビークでは,平成29年度にベースラインとなる本調査を実施し,平成30年度にはランダム化比較実験の手法で米生産のトレーニング介入を行った.トレーニングが米の収量や稲作技術採用に及ぼした効果について令和1年度に調査を行う予定である.コートジボワールについては平成29年度に,2001(平成13)年に実施した低湿地稲作の技術採用に関する調査で調査対象となった村落の再調査を実施し,過去16年間に稲作を行っている低湿地が増えていることを確認した.平成30年度には同村落の稲作農家の家計調査を開始し,令和1年度にも継続する予定である.コートジボワールでは2002年から2011年まで続いた国土を2分する内戦が稲作技術にどのような影響を与えたかを分析する.タンザニアでは平成29年度にベースライン調査を実施し,その後,栽培技術訓練の介入実験を行った.令和1年度にエンドライン調査を実施して技術訓練の効果を測定する計画である.平成30年度には,タンザニアの広域を対象とした稲作技術調査を行った.ケニアとセネガルの本調査は令和1年度に行う計画である.

Current Status of Research Progress
Current Status of Research Progress

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

Reason

平成28年度の当初の計画では,タンザニアとザンビアの調査実施の見通しが立たなかったが,平成29年度にタンザニアで調査を実施し,平成30年度にはザンビアでも調査を実施した.

Strategy for Future Research Activity

令和1年度には,ザンビア,タンザニア,ケニア,ガーナ,コートジボワール,セネガルでエンドライン調査(またはそれに相当する調査)を実施する.ただし,コートジボワールにおける調査は平成30年度から引き続き行うものである.ウガンダについては,追加の調査をせずに,現在のデータを使って論文執筆を行っている.

  • Research Products

    (62 results)

All 2019 2018 2017 Other

All Int'l Joint Research (3 results) Journal Article (15 results) (of which Int'l Joint Research: 7 results,  Peer Reviewed: 13 results,  Open Access: 8 results) Presentation (44 results) (of which Int'l Joint Research: 8 results,  Invited: 7 results)

  • [Int'l Joint Research] University of Development Studies(ガーナ)

    • Country Name
      GHANA
    • Counterpart Institution
      University of Development Studies
  • [Int'l Joint Research] Africa Rice Center(コートジボワール)

    • Country Name
      COTE D'IVOIRE
    • Counterpart Institution
      Africa Rice Center
  • [Int'l Joint Research] Zambia Agricultural Research Institute(ザンビア)

    • Country Name
      ZAMBIA
    • Counterpart Institution
      Zambia Agricultural Research Institute
  • [Journal Article] Transferability of Green Revolution in Sub-Saharan Africa: Impact Assessment of Rice Production Technology Training in Northern Ghana2019

    • Author(s)
      Xu He and Takeshi Sakurai
    • Journal Title

      Japanese Journal of Agricultural Economics

      Volume: 21 Pages: 74-79

    • DOI

      https://doi.org/10.18480/jjae.21.0_74

    • Peer Reviewed / Open Access
  • [Journal Article] 幼児向けサプリメント食品の需要分析―ガーナにおける販売実験より―2019

    • Author(s)
      小此木悟・櫻井武司
    • Journal Title

      農業経済研究

      Volume: 91 Pages: 77-82

    • DOI

      https://doi.org/10.11472/nokei.91.77

    • Peer Reviewed / Open Access
  • [Journal Article] Price and Non-price Information Friction in Regional Arbitrage: The Case of Rice Traders in Antananarivo Madagascar2019

    • Author(s)
      Arimoto, Y., H. Kono, T. Ralandison, T. Sakurai, and K. Takahashi
    • Journal Title

      Economic Development and Cultural Change

      Volume: 67(2) Pages: 273-313

    • DOI

      10.1086/698163

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Role of Community and Government in Irrigation Management in Emerging States: Lessons from Japan, China, and India.2019

    • Author(s)
      Kajisa, K.
    • Journal Title

      Otsuka and Sugihara eds, "Paths to the Emerging State in Asia and Africa, Emerging-Economy State and International Policy Studies"

      Volume: NA Pages: 273-292

    • DOI

      10.1007/978-981-13-3131-2_12

    • Open Access
  • [Journal Article] 緑の革命2019

    • Author(s)
      加治佐敬
    • Journal Title

      大野編著『開発経済学:アジアの農村から』

      Volume: NA Pages: 印刷中

  • [Journal Article] Does a Market Oriented Variety Change Rice Farming in SSA?: Evidence from a New Aromatic Rice Variety in Northern Ghana2019

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

      Japanese Journal of Agricultural Economics

      Volume: 21 Pages: 68-73

    • Peer Reviewed / Open Access
  • [Journal Article] タンザニアの稲作農業の発展2019

    • Author(s)
      中野優子
    • Journal Title

      国民経済雑誌

      Volume: 219(1) Pages: 21-34

    • Peer Reviewed
  • [Journal Article] ガーナ農村部における乳児向け商業的補完食品利用の決定因―家計の食料生産は代替的か?―2018

    • Author(s)
      小此木悟・櫻井武司
    • Journal Title

      農業経済研究

      Volume: 90 Pages: 71-76

    • DOI

      https://doi.org/10.11472/nokei.90.71

    • Peer Reviewed / Open Access
  • [Journal Article] Impact of Training on the Intensification of Rice Farming: Evidence from Rain-fed Areas in Tanzania2018

    • Author(s)
      Nakano,Y., Y. Tanaka, and K. Otsuka
    • Journal Title

      Agricultural Economics

      Volume: 49(2) Pages: 193-202

    • DOI

      10.1111/agec.12408

    • Peer Reviewed
  • [Journal Article] Is Farmer-to-Farmer Extension Effective? The Impact of Training on Technology Adoption and Rice Farming Productivity in Tanzania2018

    • Author(s)
      Nakano,Y., T. Tsusaka, T. Aida, and V. Pede
    • Journal Title

      World Development

      Volume: 105 Pages: 336-351

    • DOI

      10.1016/j.worlddev.2017.12.013

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Spatial dependency and technical efficiency: an application of a Bayesian stochastic frontier model to irrigated and rainfed rice farmers in Bohol, Philippines2018

    • Author(s)
      Pede, V. O., F. Areal, A. Singbo, J. McKinley, and K. Kajisa
    • Journal Title

      Agricultural Economics

      Volume: 49(3) Pages: 301-312

    • DOI

      10.1111/agec.12417

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Rice flows across regions in Madagascar2018

    • Author(s)
      Ralandison, T., Y. Arimoto, H. Kono, T. Sakurai, and K. Takahashi
    • Journal Title

      African Journal of Agricultural and Resource Economics

      Volume: 31(1) Pages: 78-105

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The effect of volumetric pricing policy on farmers’ water management institutions and their water use: the case of water user organization in an irrigation system in Hubei, China2017

    • Author(s)
      Kajisa, K. and B. Dong
    • Journal Title

      World Bank Economic Review

      Volume: 31(1) Pages: 220-240

    • DOI

      10.1093/wber/lhv034

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Farm Size and Productivity in Rice Farming: recent empirical evidence from Bangladesh2017

    • Author(s)
      Rahman, M. S., M. A. S. Mandal, K. Kajisa, and H. Bhandari
    • Journal Title

      Bangladesh Journal of Political Economy

      Volume: 31(5) Pages: 51-70

    • Peer Reviewed / Int'l Joint Research
  • [Journal Article] Determinants of Adoption and Continuous Use of Improved Maize Seeds in Burkina Faso2017

    • Author(s)
      Sanou, B., K.. Savadogo, and T. Sakurai
    • Journal Title

      Japanese Journal of Agricultural Economics

      Volume: 19 Pages: 21-26

    • DOI

      10.18480/jjae.19.0_21

    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Presentation] Who Should We Target for Agricultural Technology Diffusion? Experimental Evidence from Zambia2019

    • Author(s)
      Kijima, Y., K. Miura, T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Long-term and Spillover Effects of Rice Production Training in Uganda2019

    • Author(s)
      Kijima, Y.
    • Organizer
      2019年度 日本農業経済学会
    • Invited
  • [Presentation] Long term effect of Armed Conflict on Trust and Behavior:?Evidence from Northern Uganda2019

    • Author(s)
      Kijima, Y., B. Makanga, C.Yamauchi
    • Organizer
      CSAE Conference 2019
    • Int'l Joint Research / Invited
  • [Presentation] Willingness to Pay for Index Insurance against Saline Water Intrusion:The Case of Rice Farmers in Ayeyawady Delta of Myanmar2019

    • Author(s)
      Gu, Y., J. Furuya, and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Productivity and Weather Shock Risks of Rice Production in Ayeyarwady Delta Regionin Myanmar2019

    • Author(s)
      Machida, N., J. Furuya, and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Violence and Poverty Traps: An Assessment of the Impact of Political Violence onPoverty Dynamics of Rural Households in Kenya2019

    • Author(s)
      Karimjee, Y. and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Transaction Costs and Price Transmission:The Case of Cowpea Market in Burkina Faso2019

    • Author(s)
      Nikiema, R. A. and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Improved Rice Milling Technology and Services and Its Impact on Rice Quality andEnterprise Performance: A Case Study of Rice Millers in Morogoro Region, Tanzania2019

    • Author(s)
      Kapalata, D. and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Impacts of Upland Rice Farming on Farmers’ Welfare in Madagascar2019

    • Author(s)
      Ozaki, R. and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Local Rice Market Development:A Modelling of Retailer Response to Exogenous Product Differentiation2019

    • Author(s)
      Apaassongo, I. L., T. Sakurai, and T. Tachibana
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Farmers’ Credit and the Role of Contracting Companies:A Case-Study of Small-scale Tobacco Growers in Pakistan2019

    • Author(s)
      Khan, M. F., T. Kurosaki, and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Is Quality Matters for Agriculture in SSA?: A Case of Rice Marketing in Northern Ghana2019

    • Author(s)
      Ogura, T., J. A. Awuni, and T. Sakurai
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] The Impact of Micro Credit on Household Income: The Case of BRAC in Tanzania2019

    • Author(s)
      Magezi, F. and Y. Nakano
    • Organizer
      2019年度 日本農業経済学会
  • [Presentation] Does Market Demand Lead Agricultural Intensification in SSA? The Case of New Rice Variety in Ghana2018

    • Author(s)
      Sakurai. T. and T. Ogura
    • Organizer
      サブサハラアフリカにおける米生産拡大の実証研究フェーズ2 研究会, JICA研究所, January 19, 2018
  • [Presentation] Green revolution of rice production in sub-Saharan Africa: progress and problems2018

    • Author(s)
      Sakurai. T.
    • Organizer
      17th ICCAE Open Forum: How far did we achieve in rice research in Kenya?
    • Invited
  • [Presentation] 家計の農業生産と栄養教育が補完食品の購買行動に与える影響2018

    • Author(s)
      小此木悟・櫻井武司
    • Organizer
      2018年度 日本農業経済学会
  • [Presentation] Transferability of Green Revolution in Sub-Saharan Africa: Impact Assessment of Rice Production Technology Training in Northern Ghana2018

    • Author(s)
      He, X. and T. Sakurai
    • Organizer
      2018年度 日本農業経済学会
  • [Presentation] Credit Choice as Marketing Channel Choice:The Effect of Large-scale Miller on Rice Production in Senegal River Valley2018

    • Author(s)
      Kawagoe, Y. and T. Sakurai
    • Organizer
      2018年度 日本農業経済学会
  • [Presentation] Does a Market-oriented Variety Change Rice Farming in SSA?: Evidence from a New Aromatic Rice Variety in Northern Ghana2018

    • Author(s)
      Ogura, T. and T. Sakurai
    • Organizer
      2018年度 日本農業経済学会
  • [Presentation] Not Free but Effective: Experimental Evidence of the Impact of Commercial Product on Child Nutrition in Ghana2018

    • Author(s)
      Okonogi, S. and T. Sakurai
    • Organizer
      30th International Conference of Agricultural Economists
    • Int'l Joint Research
  • [Presentation] Farmers’ Risk Preferences and Rice Production: Experimental and Panel Data Evidence from Uganda2018

    • Author(s)
      Kijima, Y.
    • Organizer
      2018 Taiwan-Japan-Korea International Conference on Agricultural and Resources Economics
    • Int'l Joint Research / Invited
  • [Presentation] Farmers’ Risk Preferences and Rice Production: Experimental and Panel Data Evidence from Uganda2018

    • Author(s)
      Kijima, Y.
    • Organizer
      2018 International Seminar for Sustainable Agricultural and Rural Development, Center for International Agricultural Development, Seoul National University, South Korea
    • Int'l Joint Research / Invited
  • [Presentation] Ethnic Violence and Birth Outcomes: Evidence from Exposure to the 1992 Conflict in Kenya2018

    • Author(s)
      Guantai, F., Y. Kijima
    • Organizer
      Hitotsubashi Summer Institute,
  • [Presentation] Effect of Nigeria’s e-voucher input subsidy program on fertilizer use, rice production, and household income2018

    • Author(s)
      Kijima, Y.
    • Organizer
      2018年度 日本農業経済学会
  • [Presentation] Farmers’ Risk Preferences and Rice Production: Experimental and Panel Data Evidence from Uganda2018

    • Author(s)
      Kijima, Y.
    • Organizer
      サブサハラアフリカにおける米生産拡大の実証研究フェーズ2研究会
  • [Presentation] The Impact of Microcredit on Agricultural Technology Adoption and Productivity: Evidence from Randomized Control Trial in Tanzania2018

    • Author(s)
      Nakano, Y. and F. Magezi
    • Organizer
      サブサハラアフリカにおける米生産拡大の実証研究フェーズ2研究会
  • [Presentation] Long-term and Spillover Effects of Rice Production Training in Uganda2017

    • Author(s)
      Kijima, Y.
    • Organizer
      Hayami Conference 2017
  • [Presentation] How sustainable is the impact of training on technology adoption? Evidence from panel data in Eastern Uganda 2009-20152017

    • Author(s)
      Kijima, Y.
    • Organizer
      サブサハラアフリカにおける米生産拡大の実証研究フェーズ2 研究会, JICA研究所, October 25, 2017
  • [Presentation] Is Farmer-to-Farmer Extension Effective? The Impact of Training on Technology Adoption and Rice Farming Productivity in Tanzania2017

    • Author(s)
      Nakano, Y., T. Takuji, T. Aida, and V. Pede
    • Organizer
      Annual conference of the International Association of Applied Econometrics
    • Int'l Joint Research
  • [Presentation] The Impact of Microcredits on the Technology Adoption and Productivity of Rice Cultivation - The Case of BRAC Program in Tanzania -2017

    • Author(s)
      Magagi, E. F. and Y. Nakano
    • Organizer
      Theoretical Economics and Agriculture
  • [Presentation] Irrigation policies under rapid industrialization and labor migration: lessons from Japan, China and India2017

    • Author(s)
      Kajisa, K.
    • Organizer
      Asian Society of Agricultural Economists
    • Int'l Joint Research
  • [Presentation] Impact of New Generaiton Rice Variety in Northern Ghana2017

    • Author(s)
      Sakurai. T. and T. Ogura
    • Organizer
      サブサハラアフリカにおける米生産拡大の実証研究フェーズ2 研究会, JICA研究所, April 12, 2017
  • [Presentation] Weather Shock on Household Welfare: Health, Labor Supply, and Food Consumption2017

    • Author(s)
      Sakurai. T.
    • Organizer
      International Symposium "Development of Climate Change Adaptation Strategies for Human Health Impacts in Urban Area of East Africa"
    • Int'l Joint Research / Invited
  • [Presentation] ガーナにおける乳幼児向け補完食品の利用状況に関する研究―利用者の家計属性の視点から―2017

    • Author(s)
      小此木悟・櫻井武司
    • Organizer
      2017年度 日本農業経済学会
  • [Presentation] Following market or keeping habit?:rice seeds choice of rain-fed farmers in Northern Ghana2017

    • Author(s)
      小倉達也・櫻井武司
    • Organizer
      2017年度 日本農業経済学会
  • [Presentation] Setups or setbacks to informal enterprise performance:A re-view of street food trade regulations through Porter’s lenses2017

    • Author(s)
      Ibrahim, L. A. and T. Sakurai
    • Organizer
      2017年度 日本農業経済学会
  • [Presentation] How Does Artisanal and Small-Scale Gold Mining (ASGM) Affect Food Crops Production in Rural Area? Evidence from Burkina Faso2017

    • Author(s)
      Sanou, B. and T. Sakurai
    • Organizer
      2017年度 日本農業経済学会
  • [Presentation] Assessing the Impact of Subsidized Credit on Commercialization of Vegetable Production inMozambique2017

    • Author(s)
      Momade, A. L. C. R. and T. Sakurai
    • Organizer
      第67回地域農林経済学会大会
  • [Presentation] Who benefit from rice contract farming in Mozambique? Evidence from Chokwe irrigationscheme2017

    • Author(s)
      Mouzinho, B. R. and T. Sakurai
    • Organizer
      第67回地域農林経済学会大会
  • [Presentation] SDGs(持続可能な開発目標)への 農学研究の課題と展望2017

    • Author(s)
      櫻井武司
    • Organizer
      日本学術会議公開シンポジウム「地球環境変化研究の転換期における人間的側面研究の強化と推進に向けて」
    • Invited
  • [Presentation] T.B.A. (To Be Arbitraged)?: Extensive and Intensive Margin in Rice Trading in Madagascar2017

    • Author(s)
      Kono, Hisaki, Y. Arimoto, T. Ralandison, T. Sakurai and K. Takahashi
    • Organizer
      Hayami Conference 2017
  • [Presentation] Seasonality of Food Insecurity in Rural Zambia2017

    • Author(s)
      Kitsuki, A. and T. Sakurai
    • Organizer
      Hayami Conference 2017
  • [Presentation] Assessing the impact of the System of Rice Intensification on the yield and household income on Madagascar Central Highland2017

    • Author(s)
      Kishimoto, M., E., Yamaji, T. Sakurai, and T. Ralandison
    • Organizer
      Paddy and Water Environment Engineering 2017 International Conference
    • Int'l Joint Research
  • [Presentation] Vertical Price Transmission in Nigeria Cowpea Market2017

    • Author(s)
      Wu, W., H. Chien, T. Sakurai. and S. Muranaka
    • Organizer
      91st Annual Conference of the Agricultural Economics Society

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Published: 2019-12-27  

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