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D
David J. Spielman
international food policy research institute (ifpri)
41
H指数
342
论文数
5.8K
被引数
0
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15
发表时间
发表时间
IF
被引数
Agricultural innovation frames, policies, and instruments: evolution, lessons, and future research
农业创新框架、政策和工具:演变、经验与未来研究
Food Policy
IF
6
2025-11-27
0
PRE
AI
Catherine Ragasa; David Spielman; John Lynam
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The role of genotyping in measuring improved variety adoption and impact: advances, challenges, and policy directions
基因分型在衡量改良品种采纳和影响中的作用:进展、挑战和政策方向
Food Policy
IF
6
2025-10-29
0
OA
AI
Mequanint B. Melesse; Mywish K. Maredia; Tesfamicheal Wossen; Damaris Odeny; David J. Spielman; Hope Michelson; Showkat Ahmad Waza; Kelvin Kamunye; Arega Alene; Manzoor H. Dar; Victor Afari-Sefa; Prabhu Pingali
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Gendered networks and demand for an agricultural technology in India
性别化网络与印度农业技术的需求
World Development
IF
4.8
2025-10-10
0
OA
AI
Kajal Gulati; Nicholas Magnan; Travis J. Lybbert; David J. Spielman
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Cooperation and the management of local common resources in remote rural communities
合作与偏远农村社区地方共有资源的管理
Environment and Development Economics
IF
1.5
2025-10-01
0
OA
AI
Ward, Patrick S.; Alvi, Muzna; Makhija, Simrin; Spielman, David J.
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The characteristics of community seed schemes for grains and legumes: Insights from northern Nigeria
社区种子计划(针对谷物和豆类)的特征:来自尼日利亚北部的见解
Agricultural Systems
IF
6.1
2025-08-13
0
OA
AI
Hiroyuki Takeshima; Catherine Ragasa; Temilolu Bamiwuye; Kwaw S. Andam; David J. Spielman; Lucky Omoigui
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Policy and regulation in seed sector development for vegetatively propagated crops: Insights from Kenya, Nigeria, and Vietnam
种子部门政策与法规在无性繁殖作物发展中的作用:来自肯尼亚、尼日利亚和越南的见解
Agricultural Systems
IF
6.1
2025-07-05
0
OA
AI
David J. Spielman; Marcel Gatto; Tesfamicheal Wossen; Margaret McEwan; Tahirou Abdoulaye; Mywish K. Maredia; Guy Hareau
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Fertilizer policy reforms in the midst of crisis: Evidence from Rwanda☆
危机背景下的化肥政策改革:来自卢旺达的证据☆
FOOD POLICY
IF
6
2025-05-01
2
OA
AI
Spielman, David J.; Mugabo, Serge; Rosenbach, Gracie; Ndikumana, Sosthene; Benimana, Gilberthe; Ingabire, Chantal
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Seed certification, certified seeds use and yield outcomes in Nigeria: Insights from nationally-representative farm panel data and seed company location data
AGRICULTURAL SYSTEMS
IF
6.1
2025-03-01
0
OA
AI
Takeshima, Hiroyuki; Ragasa, Catherine; Bamiwuye, Temilolu; Andam, Kwaw S.; Spielman, David J.; Edeh, Hyacinth O.; Fasoranti, Adetunji; Haile, Beliyou; Nwagboso, Chibuzo; Omoigui, Lucky O.; Abdoulaye, Tahirou; Kumar, P. Lava; Wossen, Tesfamicheal
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Estimating seed demand in the presence of market frictions: Evidence from an auction experiment in Nigeria
JOURNAL OF DEVELOPMENT ECONOMICS
IF
4.6
2024-03-01
0
OA
AI
Wossen, Tesfamicheal; Spielman, David J.; Alene, Arega D.; Abdoulaye, Tahirou
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Digital tools and agricultural market transformation in Africa: Why are they not at scale yet, and what will it take to get there?
FOOD POLICY
IF
6
2023-04-01
27
OA
AI
Abate, Gashaw T.; Abay, Kibrom A.; Chamberlin, Jordan; Kassim, Yumna; Spielman, David J.; Tabe-Ojong Jr, Martin Paul
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Accelerating technical change through ICT: Evidence from a video-mediated extension experiment in Ethiopia
WORLD DEVELOPMENT
IF
4.8
2023-01-01
16
OA
AI
Abate, Gashaw T.; Bernard, Tanguy; Makhija, Simrin; Spielman, David J.
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Seed value chain development in the Global South: Key issues and new directions for public breeding programs
OUTLOOK ON AGRICULTURE
IF
2.6
2021-11-13
19
OA
AI
Donovan, Jason; Rutsaert, Pieter; Spielman, David; Shikuku, Kelvin Mashisia; Demont, Matty
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Information and Communication Technologies to Provide Agricultural Advice to Smallholder Farmers: Experimental Evidence from Uganda
信息和通信技术为小农提供农业咨询: 来自乌干达的实验证据
AMERICAN JOURNAL OF AGRICULTURAL ECONOMICS
IF
3.3
2020-03-26
78
OA
AI
Van Campenhout, Bjorn; Spielman, David J.; Lecoutere, Els
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Towards better metrics and policymaking for seed system development: Insights from Asia's seed industry
AGRICULTURAL SYSTEMS
IF
6.1
2016-09-01
53
OA
AI
Spielman, David J.; Kennedy, Adam
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The seed and agricultural biotechnology industries in India: An analysis of industry structure, competition, and policy options
FOOD POLICY
IF
6
2014-04-01
17
OA
AI
Spielman, David J.; Kolady, Deepthi E.; Cavalieri, Anthony; Rao, N. Chandrasekhara
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研究方向
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H 指数: 39 · 论文数: 215
T
Tahirou Abdoulaye
H 指数: 38 · 论文数: 299
A
Arega D. Alene
H 指数: 37 · 论文数: 154
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