Evaluation of agri-environmental policies for reducing nitrate pollution from New Zealand dairy farms accounting for firm heterogeneity

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dc.contributor.authorDoole, Graeme J.
dc.contributor.authorMarsh, Dan
dc.contributor.authorRamilan, Thiagarajah
dc.date.accessioned2013-01-16T01:54:39Z
dc.date.available2013-01-16T01:54:39Z
dc.date.copyright2013-01
dc.date.issued2013
dc.description.abstractPolicy makers worldwide are interested in the identification of cost-effective policy instruments to reduce diffuse pollution. A large economic model representing heterogeneous farms is used to evaluate a broad set of policies for reducing nitrate regulation within a large catchment dominated by dairy production. A policy instrument that allows the level of abatement to vary among producers according to differences in abatement cost is most cost-effective. The primary goal of 26 kg N ha(-1) can be achieved at a cost of $15 ha(-1) under this cap and trade policy, while a uniform cap on emissions for all farmers would be more than three times as expensive ($49 ha(-1)). In contrast, requiring uniform reductions in stocking rate, banning the application of nitrogen fertiliser, and land retirement perform poorly. These instruments are at least three times more costly than a cap and trade policy over all simulated reductions. Moreover, the differentiated policy does not greatly alter the distribution of farm profit, relative to what exists without regulation. The use of a large, complex economic model incorporating disaggregated farms provides unique insight into the economic benefits accruing to a differentiated policy.en_NZ
dc.identifier.citationDoole, G. J., Marsh, D., & Ramilan, T. (2013). Evaluation of agri-environmental policies for reducing nitrate pollution from New Zealand dairy farms accounting for firm heterogeneity. Land Use Policy, 30(1), 57-66.en_NZ
dc.identifier.doi10.1016/j.landusepol.2012.02.007en_NZ
dc.identifier.issn0264-8377
dc.identifier.urihttps://hdl.handle.net/10289/7066
dc.language.isoen
dc.publisherElsevieren_NZ
dc.relation.isPartOfLand Use Policyen_NZ
dc.relation.ispartofLand Use Policy
dc.subjectdiffuse pollutionen_NZ
dc.subjecteconomic modelen_NZ
dc.subjectcap and trade policyen_NZ
dc.titleEvaluation of agri-environmental policies for reducing nitrate pollution from New Zealand dairy farms accounting for firm heterogeneityen_NZ
dc.typeJournal Articleen_NZ
pubs.begin-page57en_NZ
pubs.elements-id37528
pubs.end-page66en_NZ
pubs.issue1en_NZ
pubs.volume30en_NZ
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