Spatial Simultaneous Autoregressive Models for Compositional Data: Application to Land Use

Modèles autorégressifs spatiaux simultanés pour les données compositionnelles: Application à l'utilisation des sols

Christine Thomas-Agnan, Thibault Laurent (), Anne Ruiz-Gazen, Thi-Huong-An Nguyen, Raja Chakir and Anna Lungarska
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Thibault Laurent: TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - UT - Université de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement
Thi-Huong-An Nguyen: Danang University of Architecture

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Abstract: Econometric land use models study determinants of land use shares of different classes: "agriculture", "forest", "urban" and "other" for example. Land use shares have a compositional nature as well as an important spatial dimension. We compare two compositional regression models with a spatial autoregressive nature in the framework of land use. We study the impact of the choice of coordinate space and prove that a choice of coordinate representation does not have any impact on the parameters in the simplex as long as we do not impose further restrictions. We discuss parameters interpretation taking into account the non-linear structure as well as the spatial dimension. In order to assess the explanatory variables impact, we compute and interpret the semi-elasticities of the shares with respect to the explanatory variables and the spatial impact summary measures.

Keywords: Spatial error regression models; Spatial lag regression models; Land use share model; Simplicial regression; Semi-elasticities; Compositional data; Modèle; Usage des sols (search for similar items in EconPapers)
Date: 2021
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Published in Advances in Compositional Data Analysis, Springer, 404 p., 2021, 978-3-030-71177-1

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:hal-03247387

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