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• 1. [Article] Fundamental Issues In The Salmon Aquaculture Debate

  Research Paper

  Citation × Citation Citation Abstract Copy Title: Fundamental Issues In The Salmon Aquaculture Debate Author: Knapp, Gunnar Research Paper Title: Fundamental Issues In The Salmon Aquaculture Debate Author: Knapp, Gunnar Research Paper Close

• 2. [Article] An Ecological-Economic Simulation Model of Genetic interaction Between Farmed and Wild Salmon

  Abstract only.

  Citation × Citation Citation Abstract Copy Title: An Ecological-Economic Simulation Model of Genetic interaction Between Farmed and Wild Salmon Author: Hindar, Kjetil, Liu, Yajie, Skonhoft, Anders, Diserud, Ola Abstract only. Title: An Ecological-Economic Simulation Model of Genetic interaction Between Farmed and Wild Salmon Author: Hindar, Kjetil, Liu, Yajie, Skonhoft, Anders, Diserud, Ola Abstract only. Close

• 3. [Article] The Economics of Norwegian Salmon Farming: A Review of 30 years of Production Growth

  Power Point presentation.

  Citation × Citation Citation Abstract Copy Title: The Economics of Norwegian Salmon Farming: A Review of 30 years of Production Growth Author: Rødseth, Kenneth Løvold, Guttormsen, Atle G. Power Point presentation. Title: The Economics of Norwegian Salmon Farming: A Review of 30 years of Production Growth Author: Rødseth, Kenneth Løvold, Guttormsen, Atle G. Power Point presentation. Close

• 4. [Article] Atlantic Salmon Aquaculture Canada-US Management in the Bay of Fundy

  Research Paper

  Citation × Citation Citation Abstract Copy Title: Atlantic Salmon Aquaculture Canada-US Management in the Bay of Fundy Author: Cook, B. A. Research Paper Title: Atlantic Salmon Aquaculture Canada-US Management in the Bay of Fundy Author: Cook, B. A. Research Paper Close

• 5. [Article] Implications of Aquaculture for Wild Fisheries: The Case of Alaska Wild Salmon

  Presentation

  Citation × Citation Citation Abstract Copy Title: Implications of Aquaculture for Wild Fisheries: The Case of Alaska Wild Salmon Author: Knapp, Gunnar Presentation Title: Implications of Aquaculture for Wild Fisheries: The Case of Alaska Wild Salmon Author: Knapp, Gunnar Presentation Close

• 6. [Article] Market Interactions between Aquaculture and Common-Property Fisheries: Examining the Empirical Evidence from the Bristol Bay Sockeye Salmon Fishery in Alaska

  The impressive growth of world aquaculture has led to profound transformations in the economic structure of several capture fisheries. Evidence from the Alaska salmon fisheries supports this argument as ...

  Citation × Citation Citation Abstract Copy Title: Market Interactions between Aquaculture and Common-Property Fisheries: Examining the Empirical Evidence from the Bristol Bay Sockeye Salmon Fishery in Alaska Author: Valderrama, Diego, Anderson, James The impressive growth of world aquaculture has led to profound transformations in the economic structure of several capture fisheries. Evidence from the Alaska salmon fisheries supports this argument as a connection has been suggested between the recent trends of declining ex-vessel prices and the rapid development of salmon farming elsewhere in the world. In Bristol Bay, home of the largest sockeye salmon runs in the globe, participation in the limited-entry fishery has declined by approximately 20% since 2001. Likewise, permit market values have plummeted to historic low levels, with economic conditions not likely to improve significantly in the mid-term future. To examine this problem, we develop a formal analytical framework for the study of market interactions between a limited-entry fishery and an aquaculture sector. We adapt the model of regulated open-access developed by Homans and Wilen to examine the implications of aquaculture development on the actions of fishermen and the regulatory sector in a restricted-access setting. Results indicate that the emergence of a low-cost aquaculture sector brings about important structural changes in the restricted-access fishery, rendering limited-entry regulations irrelevant as participation rates decline due to the falling prices. An important implication is that, despite the limited-entry constraint, the fishery moves to an institutional arrangement closer to regulated open access, with resource rents drastically reduced. Model predictions are compared with the empirical evidence available from the Bristol Bay sockeye fishery. The advantages of cooperative management relative to the current competitive structure of the fishery are highlighted. Title: Market Interactions between Aquaculture and Common-Property Fisheries: Examining the Empirical Evidence from the Bristol Bay Sockeye Salmon Fishery in Alaska Author: Valderrama, Diego, Anderson, James The impressive growth of world aquaculture has led to profound transformations in the economic structure of several capture fisheries. Evidence from the Alaska salmon fisheries supports this argument as a connection has been suggested between the recent trends of declining ex-vessel prices and the rapid development of salmon farming elsewhere in the world. In Bristol Bay, home of the largest sockeye salmon runs in the globe, participation in the limited-entry fishery has declined by approximately 20% since 2001. Likewise, permit market values have plummeted to historic low levels, with economic conditions not likely to improve significantly in the mid-term future. To examine this problem, we develop a formal analytical framework for the study of market interactions between a limited-entry fishery and an aquaculture sector. We adapt the model of regulated open-access developed by Homans and Wilen to examine the implications of aquaculture development on the actions of fishermen and the regulatory sector in a restricted-access setting. Results indicate that the emergence of a low-cost aquaculture sector brings about important structural changes in the restricted-access fishery, rendering limited-entry regulations irrelevant as participation rates decline due to the falling prices. An important implication is that, despite the limited-entry constraint, the fishery moves to an institutional arrangement closer to regulated open access, with resource rents drastically reduced. Model predictions are compared with the empirical evidence available from the Bristol Bay sockeye fishery. The advantages of cooperative management relative to the current competitive structure of the fishery are highlighted. Close

• 7. [Article] Sustainable (biological) control of sea lice in Norwegian Atlantic salmon farms: a system dynamics approach

  presentation

  Citation × Citation Citation Abstract Copy Title: Sustainable (biological) control of sea lice in Norwegian Atlantic salmon farms: a system dynamics approach Author: Rich, Karl, Hamza, Kanar presentation Title: Sustainable (biological) control of sea lice in Norwegian Atlantic salmon farms: a system dynamics approach Author: Rich, Karl, Hamza, Kanar presentation Close

• 8. [Article] Technical Change and Productive Inefficiency Change in Norwegian Salmon Farming: The Influence of Regional Agglomeration Externalities

  This paper analyses the factors explaining productivity and efficiency differences across salmon aquaculture farms, with an emphasis on agglomeration externalities. We specify a stochastic frontier production ...

  Citation × Citation Citation Abstract Copy Title: Technical Change and Productive Inefficiency Change in Norwegian Salmon Farming: The Influence of Regional Agglomeration Externalities Author: Battese, George E., Tveteras, Ragnar Year: 2001 This paper analyses the factors explaining productivity and efficiency differences across salmon aquaculture farms, with an emphasis on agglomeration externalities. We specify a stochastic frontier production model with agglomeration indexes included in both the frontier production function and the technical inefficiency model. The frontier model is estimated on a rich panel data set with 2,738 observations on 577 farms. Our results confirm the importance of agglomeration externalities for the productivity and technical inefficiency of salmon farms. Both frontier output and technical efficiency increase with increasing regional industry size. There is a negative relationship between overall productivity and regional farm density, suggesting the presence of negative biological congestion externalities. These results have implications for the Norwegian government’s regulation of the industry, since the government, to a large extent, has determined the spatial distribution of salmon production through a licence system. Title: Technical Change and Productive Inefficiency Change in Norwegian Salmon Farming: The Influence of Regional Agglomeration Externalities Author: Battese, George E., Tveteras, Ragnar Year: 2001 This paper analyses the factors explaining productivity and efficiency differences across salmon aquaculture farms, with an emphasis on agglomeration externalities. We specify a stochastic frontier production model with agglomeration indexes included in both the frontier production function and the technical inefficiency model. The frontier model is estimated on a rich panel data set with 2,738 observations on 577 farms. Our results confirm the importance of agglomeration externalities for the productivity and technical inefficiency of salmon farms. Both frontier output and technical efficiency increase with increasing regional industry size. There is a negative relationship between overall productivity and regional farm density, suggesting the presence of negative biological congestion externalities. These results have implications for the Norwegian government’s regulation of the industry, since the government, to a large extent, has determined the spatial distribution of salmon production through a licence system. Close

• 9. [Article] Biosecurity vs. Profits: A Multi-Objective Model for the Aquaculture Industry

  In this paper we measure the value of sanitary restrictions in terms of forgone profits. For this we model the trade-off between biosecurity and profits in the salmon aquaculture industry. We introduce ...

  Citation × Citation Citation Abstract Copy Title: Biosecurity vs. Profits: A Multi-Objective Model for the Aquaculture Industry Author: Estay-Montecinos, Manuel, Dresdner-Cid, Jorge In this paper we measure the value of sanitary restrictions in terms of forgone profits. For this we model the trade-off between biosecurity and profits in the salmon aquaculture industry. We introduce the concept of “sanitary desirable volume” of the salmon industry, as a goal in a bi-objective model. We are able to optimize this model, using base information relevant for the Los Lagos Region in Chile, and identify a Pareto Frontier. Within this setting we analyze the shadow price of one objective in terms of the other, the effect of changes in the administrative regulations that limit fish density in the farms, and of prices on the Pareto frontier. We find that the effect of sanitary restrictions in terms of forgone profits is quantitatively important and that this effect is dependent on the level of sanitary restrictions and on the relative product prices. This has important implications for the design of sanitary restrictions. The level of the sanitary desirable volume should be determined carefully to avoid costly excessive regulation. Moreover, market conditions can also affect the optimal level of regulation. Title: Biosecurity vs. Profits: A Multi-Objective Model for the Aquaculture Industry Author: Estay-Montecinos, Manuel, Dresdner-Cid, Jorge In this paper we measure the value of sanitary restrictions in terms of forgone profits. For this we model the trade-off between biosecurity and profits in the salmon aquaculture industry. We introduce the concept of “sanitary desirable volume” of the salmon industry, as a goal in a bi-objective model. We are able to optimize this model, using base information relevant for the Los Lagos Region in Chile, and identify a Pareto Frontier. Within this setting we analyze the shadow price of one objective in terms of the other, the effect of changes in the administrative regulations that limit fish density in the farms, and of prices on the Pareto frontier. We find that the effect of sanitary restrictions in terms of forgone profits is quantitatively important and that this effect is dependent on the level of sanitary restrictions and on the relative product prices. This has important implications for the design of sanitary restrictions. The level of the sanitary desirable volume should be determined carefully to avoid costly excessive regulation. Moreover, market conditions can also affect the optimal level of regulation. Close

• 10. [Article] Estimating the Economic Cost of Viral Salmonid Disease in UK Aquaculture

  Abstract only.

  Citation × Citation Citation Abstract Copy Title: Estimating the Economic Cost of Viral Salmonid Disease in UK Aquaculture Author: Fofana, Abdulai Abstract only. Title: Estimating the Economic Cost of Viral Salmonid Disease in UK Aquaculture Author: Fofana, Abdulai Abstract only. Close