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Policy reforms and asymmetric price transmission in the Zambian and Tanzanian coffee markets

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  • Mofya-Mukuka, Rhoda
  • Abdulai, Awudu

Abstract

Several governments in sub-Saharan Africa have embarked on various market reforms to improve commodity market performance. However, the success of such market reforms depends partly on the strength of the transmission of price signals between spatially separated markets and between different levels of commodity value chains. This study employs momentum threshold cointegration and error correction models to examine the impact of policy reforms on the transmission of prices between the world coffee market and domestic prices in Zambia and Tanzania. The findings show that in the case of Zambia, where policy reforms liberalized coffee markets, the producer prices respond more swiftly to decreases than increases in world market prices, and this swiftness increased after the policy reforms. For Tanzania, where reforms resulted in increased government intervention, producer prices were found to respond quicker to increases than decreases in world market prices over the period under consideration. However, the period before reforms showed domestic prices responding more swiftly to decreases than increases in world prices, while the post-reform period was characterized by faster responses to increases than decreases in world prices.

Suggested Citation

  • Mofya-Mukuka, Rhoda & Abdulai, Awudu, 2013. "Policy reforms and asymmetric price transmission in the Zambian and Tanzanian coffee markets," Economic Modelling, Elsevier, vol. 35(C), pages 786-795.
  • Handle: RePEc:eee:ecmode:v:35:y:2013:i:c:p:786-795
    DOI: 10.1016/j.econmod.2013.08.040
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    References listed on IDEAS

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    1. repec:bla:rdevec:v:21:y:2017:i:4:p:e88-e106 is not listed on IDEAS
    2. Braha, Kushtrim & Rajcaniova, Miroslava & Qineti, Artan, 2015. "Spatial Price Transmission and Food Security: The case of Kosovo," 2015 Fourth Congress, June 11-12, 2015, Ancona, Italy 207843, Italian Association of Agricultural and Applied Economics (AIEAA).

    More about this item

    Keywords

    Policy reforms; Coffee markets; Asymmetric price transmission; Structural break; Africa;

    JEL classification:

    • C32 - Mathematical and Quantitative Methods - - Multiple or Simultaneous Equation Models; Multiple Variables - - - Time-Series Models; Dynamic Quantile Regressions; Dynamic Treatment Effect Models; Diffusion Processes; State Space Models
    • F13 - International Economics - - Trade - - - Trade Policy; International Trade Organizations
    • Q17 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agriculture in International Trade

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