{"id":{"repo_id":"slu","oai_identifier":"oai:pub.epsilon.slu.se:217"},"canonical_url":"https://search.dev.ndltd.org/etd/slu/oai:pub.epsilon.slu.se:217","repository":{"repo_id":"slu","name":"Swedish University of Agricultural Sciences","base_url":"https://pub.epsilon.slu.se/cgi/oai2"},"display":{"title":"Managing agriculture and water quality","abstract":"Water pollution caused by nutrients and chemicals that are leached from arable soils is a pervasive problem around the globe. The nonpoint-source nature of this pollu-tion makes it particularly complex to control from an environmental policy perspec-tive. This thesis focuses on the economics of managing arable-nitrogen flows, via surface waters to the coastal zone, from a large and spatially diverse catchment area. It is based on four self contained articles (I–IV). Article I considers the implications of time lags in ecosystem recovery processes for the dynamic cost-effectiveness of arable-nitrogen control. Article II evaluates the relative cost-efficiency of current Swedish nitrogen policy and the implications of agricultural policy for the least-cost solution. Article III analyzes the implications of covariation between arable emis-sions and retention/transport for stochastic coastal pollution abatement. Article IV explores the implications of imperfect substitutability between manure and chem-ical fertilizer in crop and pollution production for efficient environmental policy design. In each of articles I to III, a mathematical programming model is developed for the empirical analyses which are conducted in a cost-effectiveness framework. In these models changes in agricultural production practices at the watershed level are linked to indexes of marine water quality. In article I this is done explicitly, whereas in articles II and III net coastal nitrogen load is used as a proxy for environ-mental quality. The latter models also consider spatial heterogeneity in the fate and transport of nitrogen, and production costs. Article IV is purely a theoretical analysis. The principle results were; I) that the choice of abatement target (flow, stock or quality) had radical implications for the choice of abatement path, II) that least-cost abatement measures changed with the treatment of agricultural policy (i.e., whether treated as a social opportunity cost or not), III) under certain conditions, considera-tion of both emissions and retention risk caused a sweeping change in the allocation of abatement between regions/sub-catchments in the watershed, and IV) some of the standard results from the literature were shown not to hold (in general) when the perfect-substitutability assumption was dropped.","abstract_html":"Water pollution caused by nutrients and chemicals that are leached from arable soils is a pervasive problem around the globe. The nonpoint-source nature of this pollu-tion makes it particularly complex to control from an environmental policy perspec-tive. This thesis focuses on the economics of managing arable-nitrogen flows, via surface waters to the coastal zone, from a large and spatially diverse catchment area. It is based on four self contained articles (I–IV). Article I considers the implications of time lags in ecosystem recovery processes for the dynamic cost-effectiveness of arable-nitrogen control. Article II evaluates the relative cost-efficiency of current Swedish nitrogen policy and the implications of agricultural policy for the least-cost solution. Article III analyzes the implications of covariation between arable emis-sions and retention/transport for stochastic coastal pollution abatement. Article IV explores the implications of imperfect substitutability between manure and chem-ical fertilizer in crop and pollution production for efficient environmental policy design. In each of articles I to III, a mathematical programming model is developed for the empirical analyses which are conducted in a cost-effectiveness framework. In these models changes in agricultural production practices at the watershed level are linked to indexes of marine water quality. In article I this is done explicitly, whereas in articles II and III net coastal nitrogen load is used as a proxy for environ-mental quality. The latter models also consider spatial heterogeneity in the fate and transport of nitrogen, and production costs. Article IV is purely a theoretical analysis. The principle results were; I) that the choice of abatement target (flow, stock or quality) had radical implications for the choice of abatement path, II) that least-cost abatement measures changed with the treatment of agricultural policy (i.e., whether treated as a social opportunity cost or not), III) under certain conditions, considera-tion of both emissions and retention risk caused a sweeping change in the allocation of abatement between regions/sub-catchments in the watershed, and IV) some of the standard results from the literature were shown not to hold (in general) when the perfect-substitutability assumption was dropped.","abstract_has_math":false,"creators":["Mark Brady"],"institution":null,"degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2003,"date_issued":"2003-04","date_published":"2003-04","updated_at":"2026-07-24T04:35:38Z","subjects":["nonpoint pollution","eutrophication","nitrogen","fertilizer application","leaching","environmental impact assessment","environmental policies","economic policies","cap","baltic sea","water pollution","nonpoint-source pollution","environmental and agricultural policy","positive mathematical programming","environmental risk","dynamic and stochastic cost-effectiveness","fertilizer","manure"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://pub.epsilon.slu.se/217/","outbound_label":"Repository record","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.issued","label":"Date","values":["2003-04"]},{"key":"dc:type","label":"Dc Type","values":["Doctoral thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["nonpoint pollution","eutrophication","nitrogen","fertilizer application","leaching","environmental impact assessment","environmental policies","economic policies","cap","baltic sea","water pollution","nonpoint-source pollution","environmental and agricultural policy","positive mathematical programming","environmental risk","dynamic and stochastic cost-effectiveness","fertilizer","manure"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["https://pub.epsilon.slu.se/217/","https://pub.epsilon.slu.se/217/1/ejfulltext.pdf"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.other","label":"Dc Description Other","values":["Water pollution caused by nutrients and chemicals that are leached from arable soils is a pervasive problem around the globe. The nonpoint-source nature of this pollu-tion makes it particularly complex to control from an environmental policy perspec-tive. This thesis focuses on the economics of managing arable-nitrogen flows, via surface waters to the coastal zone, from a large and spatially diverse catchment area. It is based on four self contained articles (I–IV). Article I considers the implications of time lags in ecosystem recovery processes for the dynamic cost-effectiveness of arable-nitrogen control. Article II evaluates the relative cost-efficiency of current Swedish nitrogen policy and the implications of agricultural policy for the least-cost solution. Article III analyzes the implications of covariation between arable emis-sions and retention/transport for stochastic coastal pollution abatement. Article IV explores the implications of imperfect substitutability between manure and chem-ical fertilizer in crop and pollution production for efficient environmental policy design. In each of articles I to III, a mathematical programming model is developed for the empirical analyses which are conducted in a cost-effectiveness framework. In these models changes in agricultural production practices at the watershed level are linked to indexes of marine water quality. In article I this is done explicitly, whereas in articles II and III net coastal nitrogen load is used as a proxy for environ-mental quality. The latter models also consider spatial heterogeneity in the fate and transport of nitrogen, and production costs. Article IV is purely a theoretical analysis. The principle results were; I) that the choice of abatement target (flow, stock or quality) had radical implications for the choice of abatement path, II) that least-cost abatement measures changed with the treatment of agricultural policy (i.e., whether treated as a social opportunity cost or not), III) under certain conditions, considera-tion of both emissions and retention risk caused a sweeping change in the allocation of abatement between regions/sub-catchments in the watershed, and IV) some of the standard results from the literature were shown not to hold (in general) when the perfect-substitutability assumption was dropped."]},{"key":"dc:title","label":"Title","values":["Managing agriculture and water quality","Acta Universitatis Agriculturae Sueciae. Agraria"]}]}],"canonical_facts":{"dc:date.issued":["2003-04"],"dc:description.other":["Water pollution caused by nutrients and chemicals that are leached from arable soils is a pervasive problem around the globe. The nonpoint-source nature of this pollu-tion makes it particularly complex to control from an environmental policy perspec-tive. This thesis focuses on the economics of managing arable-nitrogen flows, via surface waters to the coastal zone, from a large and spatially diverse catchment area. It is based on four self contained articles (I–IV). Article I considers the implications of time lags in ecosystem recovery processes for the dynamic cost-effectiveness of arable-nitrogen control. Article II evaluates the relative cost-efficiency of current Swedish nitrogen policy and the implications of agricultural policy for the least-cost solution. Article III analyzes the implications of covariation between arable emis-sions and retention/transport for stochastic coastal pollution abatement. Article IV explores the implications of imperfect substitutability between manure and chem-ical fertilizer in crop and pollution production for efficient environmental policy design. In each of articles I to III, a mathematical programming model is developed for the empirical analyses which are conducted in a cost-effectiveness framework. In these models changes in agricultural production practices at the watershed level are linked to indexes of marine water quality. In article I this is done explicitly, whereas in articles II and III net coastal nitrogen load is used as a proxy for environ-mental quality. The latter models also consider spatial heterogeneity in the fate and transport of nitrogen, and production costs. Article IV is purely a theoretical analysis. The principle results were; I) that the choice of abatement target (flow, stock or quality) had radical implications for the choice of abatement path, II) that least-cost abatement measures changed with the treatment of agricultural policy (i.e., whether treated as a social opportunity cost or not), III) under certain conditions, considera-tion of both emissions and retention risk caused a sweeping change in the allocation of abatement between regions/sub-catchments in the watershed, and IV) some of the standard results from the literature were shown not to hold (in general) when the perfect-substitutability assumption was dropped."],"dc:identifier.uri":["https://pub.epsilon.slu.se/217/","https://pub.epsilon.slu.se/217/1/ejfulltext.pdf"],"dc:subject":["nonpoint pollution","eutrophication","nitrogen","fertilizer application","leaching","environmental impact assessment","environmental policies","economic policies","cap","baltic sea","water pollution","nonpoint-source pollution","environmental and agricultural policy","positive mathematical programming","environmental risk","dynamic and stochastic cost-effectiveness","fertilizer","manure"],"dc:title":["Managing agriculture and water quality","Acta Universitatis Agriculturae Sueciae. Agraria"],"dc:type":["Doctoral thesis"]},"updated_at":"2026-07-24T04:35:38Z"}