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 | 258 | 2018 |
Rethinking technological change in smallholder agriculture D Glover, J Sumberg, G Ton, J Andersson, L Badstue Outlook on Agriculture 48 (3), 169-180, 2019 | 246 | 2019 |
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 | 76 | 2013 |
The mixing of methods: A three-step process for improving rigour in impact evaluations G Ton Evaluation 18 (1), 5-25, 2012 | 75 | 2012 |
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 | 53 | 2017 |
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 | 49 | 2011 |
Producer organisations and market chains: Facilitating trajectories of change in developing countries G Ton, J Bijman, J Oorthuizen Wageningen Academic Publishers, 2007 | 48 | 2007 |
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 | 42 | 2008 |
Challenges for smallholder market access: a review of literature on institutional arrangements in collective marketing G Ton Steward Postharvest Review 5 (1), 2008 | 40 | 2008 |
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 | 37 | 2015 |
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 | 36 | 2013 |
Empowering smallholder farmers in markets: national and international policy initiatives J Bijman, G Ton, GW Meijerink IFAP-ECART, 2007 | 33* | 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 | 33 | 2006 |
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 | 30 | 2014 |
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 | 28 | 2012 |
Producer organisations and value chains J Bijman, G Ton Capacity. org: a gateway for capacity development 34, 4-6, 2008 | 28 | 2008 |
Policy reform and supply chain governance S Vellema, A Laven, G Ton, S Muilerman The economics of chocolate, 228, 2016 | 24 | 2016 |
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 | 21 | 2017 |
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 | 21 | 2014 |
Contribution analysis for adaptive management M Apgar, K Hernandez, G Ton Briefing Note, 2020 | 20 | 2020 |