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Limiting the Nitrogen Losses by N-tax and Bioenergy Support: A Quantitative Analysis of Environmental Policy Mix Impacts in the North of France AgEcon
Fradj, Nosra Ben; Bourgeois, Cyril; Clodic, Melissa; Jayet, Pierre-Alain.
This paper is devoted to assessment of policy mix impacts regarding nitrogen pollutants. The analysed policy combines a tax on the nitrogen input and incentives promoting perennial crops assumed to be low input ones. We show that perennial crop subsidy increases significantly the tax efficiency, compatible with the balanced budget of the Regulatory Agency in charge of the environment. Based on a MILP agricultural supply model, quantitative analysis provides assessment of impacts regarding land use, farmers income, and N losses at the North France level.
Tipo: Conference Paper or Presentation Palavras-chave: Bio-economic model; Mathematical linear programming; Environmental policy mix; N-fertilizer tax; Bio-energy support; Environmental Economics and Policy.
Ano: 2011 URL: http://purl.umn.edu/114267
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Improvement of the AROPAj model covering a large range of agricultural activities at wide (UE) and high resolution (mapping of farm types) scales AgEcon
Baranger, Edouard; Clodic, Melissa; Galko, Elodie; Jayet, Pierre-Alain; Zakharov, Paul.
Mathematical programming models suit policy makers' needs for assessing impacts of new policies and modellers' needs for new parameters, constraints and activities to represent the phenomenon under study. The AROPAj model aims at taking into account any geographical extension of the European Union as well as the continuously changing Common Agricultural Policy. As well as the European policies will include more and more environmental problems, AROPAj will be more and more designed toward environmental assessments. Two improvement axes are set up. Biophysical models are used to refine the design of farming systems represented in the economic model and to estimate nitrogen pollutant emissions. Down-scaling methods are coupled with the regional farm group...
Tipo: Conference Paper or Presentation Palavras-chave: Supply model; EU; Linear programming; Agriculture; Environment; Coupling; Down-scaling; Environmental Economics and Policy; Farm Management; Research Methods/ Statistical Methods; Resource /Energy Economics and Policy.
Ano: 2008 URL: http://purl.umn.edu/6664
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