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Giel Ton
Giel Ton
Research Fellow, Centre for Development Impact, Institute of Development Studies
Adresse e-mail validée de ids.ac.uk - Page d'accueil
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Rethinking technological change in smallholder agriculture
D Glover, J Sumberg, G Ton, J Andersson, L Badstue
Outlook on Agriculture 48 (3), 169-180, 2019
2962019
Contract farming for improving smallholder incomes: What can we learn from effectiveness studies?
G Ton, W Vellema, S Desiere, S Weituschat, M D'Haese
World Development 104, 46-64, 2018
2892018
Value chains, partnerships and development: Using case studies to refine programme theories
S Vellema, G Ton, N de Roo, J Van Wijk
Evaluation 19 (3), 304-320, 2013
802013
The mixing of methods: A three-step process for improving rigour in impact evaluations
G Ton
Evaluation 18 (1), 5-25, 2012
782012
The effectiveness of contract farming for raising income of smallholder farmers in low‐and middle‐income countries: A systematic review
G Ton, S Desiere, W Vellema, S Weituschat, M D'Haese
Campbell Systematic Reviews 13 (1), 1-131, 2017
632017
Development impacts of value chain interventions: how to collect credible evidence and draw valid conclusions in impact evaluations?
G Ton, S Vellema, MDR De Wildt
Journal on chain and network science 11 (1), 69-84, 2011
522011
Producer organisations and market chains: Facilitating trajectories of change in developing countries
G Ton, J Bijman, J Oorthuizen
Wageningen Academic Publishers, 2007
482007
Chain governance, sector policies and economic sustainability in cocoa: a comparative analysis of Ghana, Côte d’Ivoire, and Ecuador
G Ton, G Hagelaars, A Laven, S Vellema
Markets, Chains and Sustainable Development Strategy & Policy paper 12, 2008
432008
Challenges for smallholder market access: a review of literature on institutional arrangements in collective marketing
G Ton
Steward Postharvest Review 5 (1), 2008
422008
Innovation grants to smallholder farmers: Revisiting the key assumptions in the impact pathways
G Ton, L Klerkx, K de Grip, ML Rau
Food Policy 51, 9-23, 2015
392015
Effectiveness of innovation grants to smallholder agricultural producers: an explorative systematic review
G Ton, K de Grip, LWA Klerkx, ML Rau, M Douma, E Friis-Hansen, ...
EPPI-Centre, Social Science Research Unit, Institute of Education …, 2013
382013
Empowering smallholder farmers in markets: national and international policy initiatives
J Bijman, G Ton, GW Meijerink
IFAP-ECART, 2007
34*2007
The role of producer organizations in the process of developing an integrated supply chain; experiences from Quinoa chain development in Bolivia
G Ton, J Bijman
International agrifood chains and networks, 97-111, 2006
342006
The triviality of measuring ultimate outcomes: Acknowledging the span of direct influence
G Ton, S Vellema, L Ge
IDS Bulletin 45 (6), 37-48, 2014
322014
Contribution analysis for adaptive management
M Apgar, K Hernandez, G Ton
Briefing Note, 2020
292020
Sustainable Tea Production in Kenya; Impact Assessment of Rainforest Alliance and Farmer Field School Training
YR Waarts, L Ge, G Ton, DM Jansen
LEI, 2012
292012
Producer organisations and value chains
J Bijman, G Ton
Capacity. org: a gateway for capacity development 34, 4-6, 2008
292008
Policy reform and supply chain governance
S Vellema, A Laven, G Ton, S Muilerman
The economics of chocolate, 228, 2016
252016
The effectiveness of contract farming in improving smallholder income and food security in low-and middle-income countries: a mixed-method systematic review
G Ton, S Desiere, W Vellema, CS Weituschat, M D’Haese
International Initiative for Impact Evaluation, 2017
242017
Empowering smallholder farmers in markets: Strengthening the advocacy capacities of national farmer organisations through collaborative research
G Ton, K de Grip, F Lançon, GE Onumah, FJ Proctor
Food Security 6, 261-273, 2014
212014
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