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Application de l'ACP et de la classification par intervalles aux estimations de quantiles des distributions empiriques du coût des engrais pour les cultures annuelles dans les pays de l'UE

Abstract : The decision to adopt one or another of the sustainable land management alternatives should not be based solely on their respective benefits in terms of climate change mitigation but also based on the performances of the productive systems used by farm holdings, assessing their environmental impacts through the cost of fertilizer resources used. This communication uses the symbolic PCA and clustering tools in order to analyse the conditional quantile estimates of the fertilizer costs of yearly crop productions in agriculture, as a replacement proxy for internal soil erosion costs. After recalling the conceptual framework of the estimation of agricultural production costs, we present the empirical data model, the quantile regression approach and the interval principal component analysis clustering tools used to obtain typologies of European countries on the basis of the conditional quantile distributions of fertilizer cost empirical estimates. The comparative analysis of econometric results for main products between European countries illustrates the relevance of the typologies obtained for international comparisons to assess land management alternatives based on their impact on agricultural carbon sequestration in soils.
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https://hal.inrae.fr/hal-03193404
Contributor : Dominique Desbois <>
Submitted on : Thursday, April 8, 2021 - 5:54:08 PM
Last modification on : Tuesday, July 13, 2021 - 3:56:51 AM

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Dominique Desbois. Application de l'ACP et de la classification par intervalles aux estimations de quantiles des distributions empiriques du coût des engrais pour les cultures annuelles dans les pays de l'UE. 14ièmes Journées de Recherches en Sciences sociales, SFER, Apr 2021, Clermont-Ferrand, France. ⟨hal-03193404⟩

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