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Quality of Gum Arabic in Senegal: Linking the Laboratory Research to the Field Assessment

Author

Listed:
  • Mujawamariya, Gaudiose
  • Burger, Kees
  • D’Haese, Marijke

Abstract

The objective measurements of quality based on invisible chemical attributes of gum arabic are compared with the assessment done by collectors based on visible attributes with the aim of bringing together the users’ quality requirements and the production and marketing practices of collectors. We find that good quality as defined on field is not always good when measured in laboratory; yet such measures can help target different market niches. Moreover, improving quality on field increases the likelihood of obtaining chemically good gum. We also investigate determinants of supply by collectors and traders of two quality attributes namely size and cleanliness of gum nodules. Quality supply is influenced by harvest and post-harvest knowledge and practices, environmental factors and market factors including the behaviour and experience of traders and price.

Suggested Citation

  • Mujawamariya, Gaudiose & Burger, Kees & D’Haese, Marijke, 0. "Quality of Gum Arabic in Senegal: Linking the Laboratory Research to the Field Assessment," Quarterly Journal of International Agriculture, Humboldt-Universität zu Berlin, vol. 51.
  • Handle: RePEc:ags:qjiage:155483
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    References listed on IDEAS

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    1. Robinson Ngugi & Dickson Nyariki, 2005. "Rural livelihoods in the arid and semi-arid environments of Kenya: Sustainable alternatives and challenges," Agriculture and Human Values, Springer;The Agriculture, Food, & Human Values Society (AFHVS), vol. 22(1), pages 65-71, March.
    2. Willem Ziggers, Gerrit & Trienekens, Jacques, 1999. "Quality assurance in food and agribusiness supply chains: Developing successful partnerships," International Journal of Production Economics, Elsevier, vol. 60(1), pages 271-279, April.
    3. Eric F. Tollens & Christopher L. Gilbert, 2003. "Does Market Liberalisation Jeopardise Export Quality? Cameroonian Cocoa, 1988--2000," Journal of African Economies, Centre for the Study of African Economies (CSAE), vol. 12(3), pages 303-342, September.
    4. Escobal, Javier A. & Cavero, Denice, 2012. "Transaction Costs, Institutional Arrangements and Inequality Outcomes: Potato Marketing by Small Producers in Rural Peru," World Development, Elsevier, vol. 40(2), pages 329-341.
    5. Klaus G. Grunert, 2005. "Food quality and safety: consumer perception and demand," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 32(3), pages 369-391, September.
    6. Johan F. M. Swinnen & Miet Maertens, 2007. "Globalization, privatization, and vertical coordination in food value chains in developing and transition countries," Agricultural Economics, International Association of Agricultural Economists, vol. 37(s1), pages 89-102, December.
    7. Brian Belcher & Kathrin Schreckenberg, 2007. "Commercialisation of Non-timber Forest Products: A Reality Check," Development Policy Review, Overseas Development Institute, vol. 25(3), pages 355-377, May.
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    More about this item

    Keywords

    gum arabic; quality attributes; quality measurements; ordered logit; Senegal; Consumer/Household Economics; Food Consumption/Nutrition/Food Safety; Marketing; C25; L73; M11; Q13;

    JEL classification:

    • C25 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Discrete Regression and Qualitative Choice Models; Discrete Regressors; Proportions; Probabilities
    • L73 - Industrial Organization - - Industry Studies: Primary Products and Construction - - - Forest Products
    • M11 - Business Administration and Business Economics; Marketing; Accounting; Personnel Economics - - Business Administration - - - Production Management
    • Q13 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Markets and Marketing; Cooperatives; Agribusiness

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