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Beyond One‐Size‐Fits‐All: Differentiating Market Access Measures for Commodity Systems in the Kenyan Highlands

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  • Isabelle Baltenweck
  • Steve Staal

Abstract

Market access measures employed by economists and spatial analysts may not adequately capture local market or product‐specific variation. Analysis is conducted on the effects of market access on two commodities in the Kenyan highlands: milk and bean seeds. Both simple and composite measures of market access are applied to spatial price formation models to create spatial price decay functions in the context of household‐specific transaction costs. Composite measures of market access include negative exponential (using travel time or distance as cost) and gravity measures. The results demonstrate that the effects of market access differ significantly depending on the particular goods of interest. Simple measures of market access have the advantage of being more easily interpretable, and should therefore be preferred when communicating research outputs to the non‐scientific community, especially decision‐makers. The implications are that research addressing commodity‐specific development questions needs to look beyond generic measures of market access and develop tailored measures that reflect the characteristics of the commodity system of interest. The analysis also demonstrates that spatial price formation can be used to generate potentially more accurate measures of unit‐distance marketing costs.

Suggested Citation

  • Isabelle Baltenweck & Steve Staal, 2007. "Beyond One‐Size‐Fits‐All: Differentiating Market Access Measures for Commodity Systems in the Kenyan Highlands," Journal of Agricultural Economics, Wiley Blackwell, vol. 58(3), pages 536-548, September.
    • Handle: RePEc:bla:jageco:v:58:y:2007:i:3:p:536-548
    DOI: 10.1111/j.1477-9552.2007.00129.x
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    References listed on IDEAS

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    1. Bigman, David & Fofack, Hippolyte, 2000. "Geographical Targeting for Poverty Alleviation: An Introduction to the Special Issue," The World Bank Economic Review, World Bank, vol. 14(1), pages 129-145, January.
    2. Minten, Bart, 1999. "Infrastructure, market access, and agricultural prices," MTID discussion papers 26, International Food Policy Research Institute (IFPRI).
    3. Paul Krugman, 1992. "A Dynamic Spatial Model," NBER Working Papers 4219, National Bureau of Economic Research, Inc.
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    Cited by:

    1. Oluwaseun Samuel Oduniyi & Sibongile Sylvia Tekana, 2020. "Status and Socioeconomic Determinants of Farming Households’ Food Security in Ngaka Modiri Molema District, South Africa," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 149(2), pages 719-732, June.
    2. Pierre Marion & Etienne Lwamba & Andrea Floridi & Suvarna Pande & Megha Bhattacharyya & Sarah Young & Paul Fenton Villar & Shannon Shisler, 2024. "The effects of agricultural output market access interventions on agricultural, socio‐economic, food security, and nutrition outcomes in low‐ and middle‐income countries: A systematic review," Campbell Systematic Reviews, John Wiley & Sons, vol. 20(2), June.
    3. Umar Ijaz Ahmed & Liu Ying & Muhammad Khalid Bashir & Muhammad Abid & Farhad Zulfiqar, 2017. "Status and determinants of small farming households' food security and role of market access in enhancing food security in rural Pakistan," PLOS ONE, Public Library of Science, vol. 12(10), pages 1-15, October.
    4. Farrow, Andrew & Opondo, Chris & Rao, KPC & Tenywa, Moses & Njeru, Rose & Kashaija, Imelda & Kamugisha, Rick & Ramazani, Michel & Nkonya, Ephraim & Kayiranga, Didace & Lubanga, Lunze & Nabahungu, Leon, 2013. "Selecting sites to prove the concept of IAR4D in the Lake Kivu Pilot Learning Site," African Journal of Agricultural and Resource Economics, African Association of Agricultural Economists, vol. 8(3), pages 1-19, August.
    5. Yamano, Takashi & Kijima, Yoko, 2010. "The associations of soil fertility and market access with household income: Evidence from rural Uganda," Food Policy, Elsevier, vol. 35(1), pages 51-59, February.
    6. Ruhangawebare, Godfrey Kalemera, 2010. "Factors Affecting The Level Of Commercialization Among Cattle Keepers In The Pastoral Areas Of Uganda," Research Theses 117797, Collaborative Masters Program in Agricultural and Applied Economics.
    7. A. Galiè & N. Teufel & L. Korir & I. Baltenweck & A. Webb Girard & P. Dominguez-Salas & K. M. Yount, 2019. "The Women’s Empowerment in Livestock Index," Social Indicators Research: An International and Interdisciplinary Journal for Quality-of-Life Measurement, Springer, vol. 142(2), pages 799-825, April.
    8. Mtimet, Nadhem & Pica-Ciamarra, Ugo, 2016. "Dairy farmers’ access to market in Uganda: Observing the unobservable," 2016 Fifth International Conference, September 23-26, 2016, Addis Ababa, Ethiopia 249282, African Association of Agricultural Economists (AAAE).

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