Water quantity management in a heterogeneous landscape with strategic farmers

Anne-Sarah Chiambretto () and Elsa Martin ()
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Anne-Sarah Chiambretto: CEE-M - Centre d'Economie de l'Environnement - Montpellier - FRE2010 - INRA - Institut National de la Recherche Agronomique - UM - Université de Montpellier - CNRS - Centre National de la Recherche Scientifique - Montpellier SupAgro - Institut national d’études supérieures agronomiques de Montpellier
Elsa Martin: CESAER - Centre d'Economie et de Sociologie Rurales Appliquées à l'Agriculture et aux Espaces Ruraux - INRA - Institut National de la Recherche Agronomique - AgroSup Dijon - Institut National Supérieur des Sciences Agronomiques, de l'Alimentation et de l'Environnement

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Abstract: Agricultural production contributes to many environmental problems. In semi-arid areas, agricultural irrigation causes the so-called waterlogging phenomenon. This phenomenon is both spatial and dynamic since percolations depends on soil quality summed up in landscape heterogeneity and evolves along time. Furthermore, farmers can develop strategies with respect to their contribution to percolation. We study regulation schemes to be implemented to restore the socially optimal spatial and temporal production plan of farmers in such a context. We show that both a temporal tax on percolation and a spatio-temporal tax on inputs (both at the extensive and at the intensive margin) are efficient for the restoration of the socially optimal solution. Furthermore, the error made when implementing a fiscal scheme designed for myopic farmers whereas they are strategic does not always increase with the degree of heterogeneity of the landscape

Keywords: Irrigation; Landscape; Spatio-temporal optimization; Differential game (search for similar items in EconPapers)
Date: 2018-06-25
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Published in 6th World Congress of Environmental and Resource Economists, Jun 2018, Goteborg, Sweden

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Persistent link: https://EconPapers.repec.org/RePEc:hal:journl:halshs-02152664

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