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A Model For Data Consolidation Of The Fish Market In Capri

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  • Chang, Chiao-Ya
  • Witzke, Heinz-Peter
  • Latka, Catharina

Abstract

Economic fish and aquaculture modelling is still at the beginning. The lack of a comprehensive and consistent data set for the production and trade of fish and other fishery products has restrained the modelling attempts so far. Here we show a methodology for filling the present data gaps and for overcoming existent inconsistencies to create a database that may support modelling of the fish sector, illustrated at the case of the fish module in the CAPRI model. We avoid double counting with respect to fishmeal and fish oil production and trade by disentangling the available data from key statistical sources relying on a minimization of normalized least squares. The presented data correction procedure and the resulting database may furthermore be of value for other models of global fish markets analyzing the importance of fishery and aquaculture products for global food security. The impact of the data correction procedure is demonstrated for the most relevant fish and fishery products producing and trading countries, comparing the resulting consolidated to the initial data.

Suggested Citation

  • Chang, Chiao-Ya & Witzke, Heinz-Peter & Latka, Catharina, 2018. "A Model For Data Consolidation Of The Fish Market In Capri," 58th Annual Conference, Kiel, Germany, September 12-14, 2018 275842, German Association of Agricultural Economists (GEWISOLA).
    • Handle: RePEc:ags:gewi18:275842
    DOI: 10.22004/ag.econ.275842
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    References listed on IDEAS

    as
    1. Péron, Guillaume & François Mittaine, Jean & Le Gallic, Bertrand, 2010. "Where do fishmeal and fish oil products come from? An analysis of the conversion ratios in the global fishmeal industry," Marine Policy, Elsevier, vol. 34(4), pages 815-820, July.
    2. Chang, Chiao-Ya & Zimmermann, Andrea & Heckelei, Thomas, 2016. "The Expansion Of Aquaculture And Its Effects On Global Land Use And Sustainability," 56th Annual Conference, Bonn, Germany, September 28-30, 2016 244765, German Association of Agricultural Economists (GEWISOLA).
    3. Guillaume Péron & Jean-François Mittaine & Bertrand Le Gallic, 2010. "Where do fishmeal and fish oil products come from? An analysis of the conversion ratios in the global fishmeal industry," Post-Print hal-00838304, HAL.
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    Cited by:

    1. Heimann, Tobias & Delzeit, Ruth, 2024. "Land for fish: Quantifying the connection between the aquaculture sector and agricultural markets," Ecological Economics, Elsevier, vol. 217(C).

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    1. Chang, C.-Y. & Witzke, H.P. & Latka, C., 2018. "A Model for Data Consolidation of the Fish Market in CAPRI," 2018 Conference, July 28-August 2, 2018, Vancouver, British Columbia 276013, International Association of Agricultural Economists.

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    Keywords

    Agribusiness; Agricultural Finance;

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