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An analysis of partially-guaranteed-price contracts between farmers and agri-food companies

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  • Tang, Christopher S.
  • Sodhi, ManMohan S.
  • Formentini, Marco

Abstract

Global agri-food companies such as Barilla and SABMiller are purchasing agricultural products directly from farmers using different types of contracts to ensure stable supply. We examine one such contract with partially-guaranteed prices (PGP). Under a PGP contract, around sowing time, the buying firm agrees to purchase the crop when harvested by the farmer, offering a guaranteed unit price for any fraction of the produce and offering the commodity market price prevailing at the time of delivery for the remainder. The farmer then chooses the fraction. By analyzing a Stackelberg game, we show (1) how the PGP contract creates mutual benefits when the firm’s purchase quantity is taken as being exogenous. We also analyze how the PGP contract is robust in creating value for both the firm and the farmer (2) when the firm’s purchase quantity is endogenously determined; (3) when the firm provides advisory services to the farmer; and (4) when the firm offers a price premium as an incentive for farmers to exert efforts to comply with ‘sustainable’ agricultural practices.

Suggested Citation

  • Tang, Christopher S. & Sodhi, ManMohan S. & Formentini, Marco, 2016. "An analysis of partially-guaranteed-price contracts between farmers and agri-food companies," European Journal of Operational Research, Elsevier, vol. 254(3), pages 1063-1073.
    • Handle: RePEc:eee:ejores:v:254:y:2016:i:3:p:1063-1073
    DOI: 10.1016/j.ejor.2016.04.038
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    20. Nilanjan Dutta & Arshinder Kaur, 2023. "Enabling socially responsible operations: A decision-making model for a firm contracting with decision-biased smallholders," Annals of Operations Research, Springer, vol. 320(1), pages 509-533, January.
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