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Une méta-analyse de l'impact des subventions sur le prix mondial du coton

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  • David Guerreiro

Abstract

Despite the abundant literature on the impact of subsidies on world cotton prices, there is no consensus on the quantification of that impact. Our article describes a meta-analysis aimed at explaining the lack of consensus. We also identify the key factors needed to describe cotton-price dynamics, and report our results concerning the effect of subsidies. We show that the variations between studies are mainly due to the choice of elasticity values, the size of the subsidies, and inclusion of certain key factors. Effective modeling requires a precise estimation of elasticities and the inclusion of determinants of world cotton prices such as inventory levels and the price of polyester.

Suggested Citation

  • David Guerreiro, 2010. "Une méta-analyse de l'impact des subventions sur le prix mondial du coton," Economie & Prévision, La Documentation Française, vol. 0(4), pages 111-125.
    • Handle: RePEc:cai:ecoldc:ecop_195_0111
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    JEL classification:

    • Q17 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agriculture in International Trade
    • Q18 - Agricultural and Natural Resource Economics; Environmental and Ecological Economics - - Agriculture - - - Agricultural Policy; Food Policy; Animal Welfare Policy
    • C82 - Mathematical and Quantitative Methods - - Data Collection and Data Estimation Methodology; Computer Programs - - - Methodology for Collecting, Estimating, and Organizing Macroeconomic Data; Data Access

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