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Quality contingent contracts : evidence from Tanzania's coffee market

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  • Mahdi, Shireen

Abstract

The literature on product quality in markets where product attributes are not readily observable indicates that information asymmetries and incentive problems may lead to the under-provision of quality. This paper contributes to this literature by estimating the effects of village-level contractual arrangements on producer incomes and on quality enhancing production practices. Three contract types are studied: spot contracts, contingent contracts with product grading and contingent contracts without product grading. To do this, the study uses original data from a survey of 450 coffee producers in Tanzania's coffee market that take advantage of contractual variation in the Kilimanjaro region. The results indicate that coffee contracts that include village-based product grading have a large positive effect on producer incomes, and that the grading effect is associated with production practices that enhance quality. The results also indicate that cooperative membership has no significant effect on producer incomes.

Suggested Citation

  • Mahdi, Shireen, 2012. "Quality contingent contracts : evidence from Tanzania's coffee market," Policy Research Working Paper Series 6171, The World Bank.
    • Handle: RePEc:wbk:wbrwps:6171
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    References listed on IDEAS

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    1. Bernard, Tanguy & Hidrobo, Melissa & Le Port, Agnès & Rawat, Rahul, 2017. "Nutrition incentives in dairy contract farming in northern Senegal," IFPRI discussion papers 1629, International Food Policy Research Institute (IFPRI).
    2. Jianyu Yu & Olivier Bonroy & Zohra Bouamra‐Mechemache, 2023. "Quality and quantity incentives under downstream contracts: A role for agricultural cooperatives?," American Journal of Agricultural Economics, John Wiley & Sons, vol. 105(4), pages 1176-1196, August.

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    Keywords

    Crops&Crop Management Systems; Debt Markets; Markets and Market Access; Labor Policies; E-Business;
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