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Theses

Economic regulation of non-point source pollution

Abstract : The work presented in this thesis had two purposes : to identify the key deter- minants to regulate the nitrogen pollution, and to test the ability of applied models to assess the impacts of the regulation policies. We first define a fra- mework for understanding the role of land-use in the optimal management of nitrogen pollution. Regulation design based on an input taxation coupled to a subsidy for perennial crops seems appropriate. This policy is then evaluated and we show that it could be cost-effective in the case of nitrate pollution. We also developed the study of aquifer pollution from nitrates. This pollution problem leads to develop taking into account of the high inertia of the physi- cal environment considered in reason of the delay between the application of fertilizer and pollution of the aquifer. This delay has a significant impact on optimal policy. Besides the pollution stock optimal long-term increases over time, a path of stronger tax is necessary to achieve the steady-state. The mar- ginal damage value is then estimated for an aquifer associated to the Seine river basin.
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Cyril Bourgeois. Economic regulation of non-point source pollution. Economics and Finance. ABIES, 2012. English. ⟨tel-01690209⟩

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