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The response of local maize prices to the 1983 currency devaluation in Ghana


  • Badiane, Ousmane
  • Shively, Gerald E.


This paper investigates the respective roles of spatial integration and arbitrage costs in explaining the adjustment of local prices to policy changes using the example of Ghana. We introduce a model of price formation and market integration that incorporates the price transmission process between local and central markets and also captures the implications for volatility of local prices. We explore the implications of the model for the time-path of price adjustments, as determined directly and indirectly through the marketing sector. We show that the price-adjustment process in a local market is determined by the degree of interdependence between that market and the central market in which a price-shock originates, and estimate the intertemporal and interspatial dynamics of the price adjustment process. Using data from wholesale maize markets in Ghana we find that reductions in local prices and local price variance following the introduction of economic reforms in 1983 can be traced to both local and central market forces, but that differences in the degree of market integration have important implications for long-run changes in arbitrage costs and the evolution of prices in outlying markets.

Suggested Citation

  • Badiane, Ousmane & Shively, Gerald E., 1997. "The response of local maize prices to the 1983 currency devaluation in Ghana," MTID discussion papers 12, International Food Policy Research Institute (IFPRI).
  • Handle: RePEc:fpr:mtiddp:12

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    References listed on IDEAS

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    Cited by:

    1. Rashid, Shahidur & Sharma, Manohar & Zeller, Manfred, 2002. "Micro-lending for small farmers in Bangladesh," MTID discussion papers 45, International Food Policy Research Institute (IFPRI).
    2. Dorosh, Paul A. & Shahabuddin, Quazi, 2002. "Rice price stabilization in Bangladesh," MSSD discussion papers 46, International Food Policy Research Institute (IFPRI).
    3. Badiane, Ousmane & Makombe, Tsitsi, 2014. "The theory and practice of agriculture, growth, and development in Africa," WIDER Working Paper Series 061, World Institute for Development Economic Research (UNU-WIDER).
    4. Nicholas Minot & Lisa Daniels, 2005. "Impact of global cotton markets on rural poverty in Benin," Agricultural Economics, International Association of Agricultural Economists, vol. 33(s3), pages 453-466, November.
    5. Shahabuddin, Quazi & Dorosh, Paul A., 2002. "Comparative advantage in Bangladesh crop production," MTID discussion papers 47, International Food Policy Research Institute (IFPRI).
    6. Ankamah-Yeboah, Isaac, 2012. "Spatial Price Transmission in the Regional Maize Markets in Ghana," MPRA Paper 49720, University Library of Munich, Germany.
    7. Gulati, Ashok & Narayanan, Sudha, 2002. "Rice trade liberalization and poverty," MTID discussion papers 51, International Food Policy Research Institute (IFPRI).
    8. Kherallah, Mylene & Lofgren, Hans & Gruhn, Peter & Reeder, Meyra M., 2000. "Wheat policy reform in Egypt: adjustment of local markets and options for future reforms," Research reports 115, International Food Policy Research Institute (IFPRI).
    9. Delgado, Christopher L. & Rosegrant, Mark W. & Wada, Nikolas & Meijer, Siet & Ahmed, Mahfuzuddin, 2002. "Fish as food," MTID discussion papers 52, International Food Policy Research Institute (IFPRI).
      • Delgado, Christopher L. & Rosegrant, Mark W. & Wada, Nikolas & Meijer, Siet & Ahmed, Mahfuzuddin, 2002. "Fish as food," MSSD discussion papers 52, International Food Policy Research Institute (IFPRI).


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