Abstract

Background: Food quality and safety concerns in low- and middle-income countries are often addressed using stringent standards and formal contracts between farmers and buyers. Many studies have investigated the welfare implications of these control mechanisms for small-scale farmers in modern value chains, including exports and supermarkets. Conversely, few studies have focused on the potential of certification and contracts to tackle food safety issues within local traditional value chains. Methods: This study uses a discrete choice experiment to explore the preferences of vegetable farmers (n = 301) in northern Vietnam for different types of certification schemes–including third-party certification and participatory guarantee systems–and contracts. Results: Farmers are willing to accept a 49% lower price per kilogram for their vegetables to enter into a contract with a buyer, provided that pesticide use restrictions are feasible and the buyer is fully committed and trustworthy. However, they are strongly averse to organic farming, as they would require a 40% premium per kilogram to produce organically. They would also request a 21% premium to accept selling to an unknown buyer. Farmers highly value contracts that entail large purchase quantities, long duration and pesticide provision. Although the estimated willingness-to-accept values may seem very large, they make sense in the context of highly perishable produce. Conclusion: Our findings urge both policy makers and researchers to not only focus on modern value chains but also on local traditional value chains to tackle food safety issues in low- and middle-income countries, as we show that farmers are willing to produce safe vegetables for the local market when trading with buyers under beneficial conditions.

Highlights

  • The agri-food sector in low- and middle-income countries is transforming rapidly [1,2].Short ‘traditional’ food value chains, typically relying on spot markets, have grown into longer, ‘modern’ value chains, characterized by high degrees of consolidation, vertical coordination and stringent regulation through standards [3,4]

  • While this study focuses on safe vegetables in Vietnam, our findings apply to other peri-urban areas in low- and middle-income countries that face the challenge of ensuring access to healthy and nutritious food for all

  • Our study examines the potential of contracts and certification in local value chains for improving food safety

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Summary

Introduction

Short ‘traditional’ food value chains, typically relying on spot markets, have grown into longer, ‘modern’ value chains, characterized by high degrees of consolidation, vertical coordination and stringent regulation through standards [3,4] This modernization is strongly linked to the rapid diffusion of supermarkets and increased exports of high-value produce [5,6]. Food quality and safety concerns in low- and middle-income countries are often addressed using stringent standards and formal contracts between farmers and buyers. Results: Farmers are willing to accept a 49% lower price per kilogram for their vegetables to enter into a contract with a buyer, provided that pesticide use restrictions are feasible and the buyer is fully committed and trustworthy They are strongly averse to organic farming, as they would require a 40%. Ref [33] found that, out of four Southeast Asian countries, Vietnam had the highest pesticide application rate in 2012

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