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Asymmetry of price transmission within the French value chain of seafood products

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  • A recent study in agricultural products has brought out evidence of asymmetrical transmission of price changes according to the sign (positive or negative) of past variation. Interestingly, asymmetry was more commonplace for products with a lower elasticity of supply due to the perishable nature of products. A similar study based on TAR and M-TAR cointegration models is carried out on the French markets for fish products. In particular, it investigates the relation between the characteristics of supply (farmed or wild-caught species) and the results regarding asymmetry of price transmission along the supply chain of fresh products. Like in previous studies, it is expected that farming, by increasing the security of supply, shows less asymmetry than wild caught products. Results bring no evidence of asymmetric price transmission in any value chain, whatever the origin of the supply, farmed or wild. It is nevertheless found differences in terms of speed of adjustment and size of margin that can be interpreted as a consequence of the uncertainty in the conditions of supply.
  • Keywords: cointegration, asymmetric price transmission, TAR and M-TAR models, International Seafood Trade: Rules Based Reform, Fisheries Economics, fish value chains
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  • Gonzales, Frederic, Patrice Guillotreau, Laurent Le Grel, Michel Simioni. 2002. Asymmetry of price transmission within the French value chain of seafood products. Peer Review: No. In: Proceedings of the Eleventh Biennial Conference of the International Institute of Fisheries Economics and Trade, August 19-22, 2002, Wellington, New Zealand: Fisheries in the Global Economy. Compiled by Ann L. Shriver. International Institute of Fisheries Economics & Trade, Corvallis, Oregon, USA, 2002. CD ROM.
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