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Functional regression to model the link between livestock farms' performance and their size

Abstract : Over the last decades, livestock farms' sizes have increased in Western Europe although the benefits obtained by the farms and agricultural workers are far from being obvious nor demonstrated. The purpose of this paper is to propose the use of functional regression to study the relationship between farm size and farm performance trends in long-term panel data. While a linear Partial Least Squares regression is performed as a reference model, a regression for functional data enrich the modelling with the chronological information contained in panel data, in particular evolution shapes of performance and size. The proposed methods are applied on a long-term structural, technical and economic database of cattle beef farms in the Charolais region (France). The achieved regression models, whether classical or functional, suggest that, in our case study, the farm size is not sufficient to explain its performance. We now expect our work to be a starting point for further analysis. In particular, other structural, economical and technical characteristics could contribute to better model livestock farms' evolution.
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Contributor : Anne de la Foye <>
Submitted on : Tuesday, February 9, 2021 - 5:17:18 PM
Last modification on : Friday, March 12, 2021 - 3:34:34 AM
Long-term archiving on: : Monday, May 10, 2021 - 7:05:50 PM


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  • HAL Id : hal-03136485, version 1



Anne de la Foye, P Veysset. Functional regression to model the link between livestock farms' performance and their size. 14. journées de recherche en sciences sociales INRAE, SFER, CIRAD, Dec 2019, Bordeaux, France. ⟨hal-03136485⟩



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