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Agri-Environmental Policies When the Spatial Pattern of Biodiversity Reserves Matters AgEcon
Bamiére, Laure; David, Maia; Vermont, Bruno.
The aim of this paper is to compare different policy instruments for cost-effective habitat conservation on agricultural lands, when the desired spatial pattern of reserves is a random mosaic. We use a spatially explicit mathematical programming model which studies the farmers' behavior as profit maximizers under technical and administrative constraints. Facing different policy measures, each farmer chooses its land-use at the field level, which determines the landscape at the regional level. A spatial pattern index (Ripley L function) is then associated to the obtained landscape, indicating on the degree of dispersion of the reserve. We compare a subsidy per hectare of reserve with an auction scheme and an agglomeration malus. We find that the auction is...
Tipo: Conference Paper or Presentation Palavras-chave: Agri-environmental policies; Biodiversity; Mathematical programming; Spatial optimization; Reserve design; Cost-efficiency; Environmental Economics and Policy; Resource /Energy Economics and Policy; H23; Q57; Q12; Q28.
Ano: 2011 URL: http://purl.umn.edu/114239
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Environmental regulation and horizontal mergers in the eco-industry AgEcon
Canton, Joan; David, Maia; Sinclair-Desgagne, Bernard.
This paper considers the environmental policy and welfare implications of a merger between environment firms (i.e., firms managing environmental resources or supplying pollution abatement goods and services). The traditional analysis of mergers in Cournot oligopolies is extended in two ways. First, we show how environmental policy affects the incentives of environment firms to merge. Second, we stress that mergers in the eco-industry impact welfare beyond what is observed in other sectors, due to an extra effect on pollution abatement efforts; this might lead to disagreements between an anti-trust agency seeking to limit market concentration which can be detrimental to consumer surplus and a benevolent regulator who maximizes total welfare.
Tipo: Conference Paper or Presentation Palavras-chave: Eco-industry; Environmental policy; Horizontal mergers; Environmental Economics and Policy; Industrial Organization; D62; H23; L11.
Ano: 2008 URL: http://purl.umn.edu/44456
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Environmental Regulation and Horizontal Mergers in the Eco-industry AgEcon
Canton, Joan; David, Maia; Sinclair-Desgagne, Bernard.
This paper considers the environmental policy and welfare implications of a merger between environment firms (i.e., firms managing environmental resources or supplying pollution abatement goods and services). The traditional analysis of mergers in Cournot oligopolies is extended in two ways. First, we show how environmental policy affects the incentives of environment firms to merge. Second, we stress that mergers in the eco-industry impact welfare beyond what is observed in other sectors, due to an extra effect on pollution abatement efforts; this might lead to disagreements between an anti-trust agency seeking to limit market concentration which can be detrimental to consumer surplus and a benevolent regulator who maximizes total welfare.
Tipo: Working or Discussion Paper Palavras-chave: Eco-Industry; Environmental Policy; Horizontal Mergers; D62; H23; L11.
Ano: 2008 URL: http://purl.umn.edu/37524
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