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A first-sale price index of seafood products

Author

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  • François-Charles Wolff

    (LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - Nantes Univ - IAE Nantes - Nantes Université - Institut d'Administration des Entreprises - Nantes - Nantes Université - pôle Sociétés - Nantes Univ - Nantes Université)

  • Frédéric Salladarré

    (CREM - Centre de recherche en économie et management - UNICAEN - Université de Caen Normandie - NU - Normandie Université - UR - Université de Rennes - CNRS - Centre National de la Recherche Scientifique, LEMNA - Laboratoire d'économie et de management de Nantes Atlantique - Nantes Univ - IAE Nantes - Nantes Université - Institut d'Administration des Entreprises - Nantes - Nantes Université - pôle Sociétés - Nantes Univ - Nantes Université)

Abstract

Studies on price trends of seafood products in the medium run remain scarce. In this paper, we investigate changes in first-sale prices of fish sold in France over the last 25 years. Drawing on the index number literature, we construct monthly chained fish price indices which are free from seasonal fluctuations. Our empirical analysis relies on a dataset including 126 million transactions completed in all French fish markets from 1994 to 2020. We show that first-sale prices of seafood products have substantially increased in the medium run, more than the inflation rate, except during the economic crisis from 2007 to 2009 and recently in 2020 due to the Covid pandemic. However, those higher prices have not always led to an increase in sales revenue of fishermen because of the continuous decrease in fish catches. In particular, the economic situation of fisheries has substantially worsen since 2017.

Suggested Citation

  • François-Charles Wolff & Frédéric Salladarré, 2022. "A first-sale price index of seafood products," Post-Print hal-03913085, HAL.
    • Handle: RePEc:hal:journl:hal-03913085
    DOI: 10.1080/00036846.2021.2003289
    Note: View the original document on HAL open archive server: https://hal.science/hal-03913085
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    References listed on IDEAS

    as
    1. Laurent Gobillon & François-Charles Wolff & Patrice Guillotreau, 2017. "The effect of buyers and sellers on fish market prices," European Review of Agricultural Economics, Oxford University Press and the European Agricultural and Applied Economics Publications Foundation, vol. 44(1), pages 149-176.
    2. Victor Zarnowitz, 1961. "Index Numbers and the Seasonality of Quantities and Prices," NBER Chapters, in: The Price Statistics of the Federal Goverment, pages 233-304, National Bureau of Economic Research, Inc.
    3. Laurent Gobillon & François-Charles Wolff, 2016. "Evaluating the Law of one Price Using Micro Panel Data: The Case of the French Fish Market," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 98(1), pages 134-153.
    4. Guillotreau, P. & Péridy, N., 2000. "Trade barriers and European imports of seafood products: a quantitative assessment," Marine Policy, Elsevier, vol. 24(5), pages 431-437, September.
    5. Diewert, W. E., 1976. "Exact and superlative index numbers," Journal of Econometrics, Elsevier, vol. 4(2), pages 115-145, May.
    6. Diewert, W. Erwin, 1999. "Index Number Approaches To Seasonal Adjustment," Macroeconomic Dynamics, Cambridge University Press, vol. 3(1), pages 48-68, March.
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