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Saisonnalité des prix céréaliers en Afrique subsaharienne

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  • Véronique Ninnin-Massenet
  • Vincent Ribier

Abstract

[fre] Le cadre théorique d'analyse des déterminants de la saisonnalité des prix céréaliers est celui des modèles inter-tempo- rels de marchés d'actifs, dans lequel plusieurs types d'agents stockeurs sont distingués : producteurs, transformateurs et commerçants selon les cas. Les maquettes ainsi spécifiées permettent de préciser le rôle de chaque type d'agent, et l'incidence de variables telles que les contraintes de trésorerie, l'asymétrie d'information ou l'aversion pour le risque. Diverses situations de concurrence ou de complémentarité entre agents sont caractérisées, ainsi que les conséquences de ces interactions sur la saisonnalité. Cette représentation aide à cibler les interventions publiques sur les acteurs dont on attend la contribution la plus active dans la stabilisation des prix intra-annuels. [eng] Seasonal grain prices in subsaharian Africa . The theoretical framework of seasonal price analisis is an inter-temporal market model of assets with several storing agents, farmers, traders or processing agents, depending on situations. The simplified model underlines the role of each agent and the impact of variables such as liquidity constraints, asymmetric information and risk aversion on price stability. Several situations of complementarity and destabi- lization among agents are identified and the consequences of those interactions on seasonal price patterns are analyzed. This representation helps design public policies and target them on those agents whose contribution to price stabilization is the largest.

Suggested Citation

  • Véronique Ninnin-Massenet & Vincent Ribier, 1998. "Saisonnalité des prix céréaliers en Afrique subsaharienne," Économie rurale, Programme National Persée, vol. 248(1), pages 38-44.
    • Handle: RePEc:prs:recoru:ecoru_0013-0559_1998_num_248_1_5044
    DOI: 10.3406/ecoru.1998.5044
    Note: DOI:10.3406/ecoru.1998.5044
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    References listed on IDEAS

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    1. Martin Benirschka & James K. Binkley, 1995. "Optimal Storage and Marketing Over Space and Time," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 77(3), pages 512-524.
    2. Boussard, Jean-Marc, 1996. "When risk generates chaos," Journal of Economic Behavior & Organization, Elsevier, vol. 29(3), pages 433-446, May.
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