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Gross output and livestock sales modelling in Spanish extensive farms using PLSR

Author

Listed:
  • Gaspar, P.
  • Mesias, F.J.
  • Escribano Sanchez, Miguel
  • Pulido, F.

Abstract

The aim of this paper is to model some production variables in extensive livestock farms located in the dehesa ecosystem. We intend to use not only purely economic variables in the construction of the model, but also structural variables in order to identify the characteristics of the farms that have the higher influence. Another objective is to be able to predict these variables at the farm level, using structural variables that are easy to measure. The data used in this work were obtained from a questionnaire survey to the holders/managers of a sample of 69 dehesa farms in Extremadura (SW Spain). The statistical methodology used for the construction of the model was Partial Least Square Regression (PLSR). It can be concluded that the variables relative to farm intensification, to labour and especially to Iberian pig breeding, are those that take part mainly in the model.

Suggested Citation

  • Gaspar, P. & Mesias, F.J. & Escribano Sanchez, Miguel & Pulido, F., 2008. "Gross output and livestock sales modelling in Spanish extensive farms using PLSR," 107th Seminar, January 30-February 1, 2008, Sevilla, Spain 6463, European Association of Agricultural Economists.
  • Handle: RePEc:ags:eaa107:6463
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    References listed on IDEAS

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    1. Z Bouamra Mechemache & V Réquillart, 2000. "Analysis of EU dairy policy reform," European Review of Agricultural Economics, Foundation for the European Review of Agricultural Economics, vol. 27(4), pages 409-430, December.
    2. Zohra Bouamra-Mechemache & Jean-Paul Chavas & Tom Cox & Vincent Réquillart, 2002. "EU Dairy Policy Reform and Future WTO Negotiations: a Spatial Equilibrium Analysis," Journal of Agricultural Economics, Wiley Blackwell, vol. 53(2), pages 233-257.
    3. Bouamra-Mechemache, Zohra & Jongeneel, Roel & Réquillart, Vincent, 2007. "The Dairy Industry in an Expending European Union: Policies and Strategies," IDEI Working Papers 478, Institut d'Économie Industrielle (IDEI), Toulouse.
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